Calculating Gear Ratio for Epicyclic Gear Train

[lewisbedwell]

Homework Statement

Here the gear B is fixed and C and D are on the same drive. If C has 100 teeth, B has 50, D has 50 and E has 200. Calculate the ratio of the gearbox.

Homework Equations

The Attempt at a Solution

My attempt is uploaded as an attachment as putting tables in here is a bit of a mission, just wanted to see if what i have done is correct. Thanks a lot in advance!

 

[haruspex]

The result for E looks right, but check the c/d column.