Finding the Fourth Proportional to 156,728,306.62, 234,580,897.38 and 115,218,194.62
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Solution
The fourth proportional to 156,728,306.62, 234,580,897.38 and 115,218,194.62 is: 172,451,218.75
Step by Step Solution
- Step 1: Write the proportion equation
156,728,306.62 : 234,580,897.38 = 115,218,194.62 : x - Step 2: Convert to fraction form
156,728,306.62/234,580,897.38 = 115,218,194.62/x - Step 3: Cross multiply
156,728,306.62x = 234,580,897.38 × 115,218,194.62 - Step 4: Simplify right side
156,728,306.62x = 27,027,987,488,463,088 - Step 5: Solve for x
x = 27,027,987,488,463,088/156,728,306.62 - Step 6: Final answer
x = 172,451,218.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.