Finding the Fourth Proportional to 219,988,851.80, 330,235,220.10 and 129,163,616.60
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Solution
The fourth proportional to 219,988,851.80, 330,235,220.10 and 129,163,616.60 is: 193,893,349.63
Step by Step Solution
- Step 1: Write the proportion equation
219,988,851.80 : 330,235,220.10 = 129,163,616.60 : x - Step 2: Convert to fraction form
219,988,851.80/330,235,220.10 = 129,163,616.60/x - Step 3: Cross multiply
219,988,851.80x = 330,235,220.10 × 129,163,616.60 - Step 4: Simplify right side
219,988,851.80x = 42,654,375,356,813,016 - Step 5: Solve for x
x = 42,654,375,356,813,016/219,988,851.80 - Step 6: Final answer
x = 193,893,349.63
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