Finding the Fourth Proportional to 181,987,357.80, 272,981,036.70 and 59,165,437.80
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Solution
The fourth proportional to 181,987,357.80, 272,981,036.70 and 59,165,437.80 is: 88,748,156.70
Step by Step Solution
- Step 1: Write the proportion equation
181,987,357.80 : 272,981,036.70 = 59,165,437.80 : x - Step 2: Convert to fraction form
181,987,357.80/272,981,036.70 = 59,165,437.80/x - Step 3: Cross multiply
181,987,357.80x = 272,981,036.70 × 59,165,437.80 - Step 4: Simplify right side
181,987,357.80x = 16,151,042,547,453,366 - Step 5: Solve for x
x = 16,151,042,547,453,366/181,987,357.80 - Step 6: Final answer
x = 88,748,156.70
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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.