Finding the Fourth Proportional to 132,489,575.88, 198,755,934.12 and 39,125,991.03
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Solution
The fourth proportional to 132,489,575.88, 198,755,934.12 and 39,125,991.03 is: 58,695,356.55
Step by Step Solution
- Step 1: Write the proportion equation
132,489,575.88 : 198,755,934.12 = 39,125,991.03 : x - Step 2: Convert to fraction form
132,489,575.88/198,755,934.12 = 39,125,991.03/x - Step 3: Cross multiply
132,489,575.88x = 198,755,934.12 × 39,125,991.03 - Step 4: Simplify right side
132,489,575.88x = 7,776,522,895,538,391 - Step 5: Solve for x
x = 7,776,522,895,538,391/132,489,575.88 - Step 6: Final answer
x = 58,695,356.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.