Finding the Fourth Proportional to 132,489,577.63, 198,755,936.76 and 39,125,992.78
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Solution
The fourth proportional to 132,489,577.63, 198,755,936.76 and 39,125,992.78 is: 58,695,359.18
Step by Step Solution
- Step 1: Write the proportion equation
132,489,577.63 : 198,755,936.76 = 39,125,992.78 : x - Step 2: Convert to fraction form
132,489,577.63/198,755,936.76 = 39,125,992.78/x - Step 3: Cross multiply
132,489,577.63x = 198,755,936.76 × 39,125,992.78 - Step 4: Simplify right side
132,489,577.63x = 7,776,523,346,653,896 - Step 5: Solve for x
x = 7,776,523,346,653,896/132,489,577.63 - Step 6: Final answer
x = 58,695,359.18
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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.