Finding the Fourth Proportional to 144,745,654.52, 199,750,545.99 and 78,666,156.24
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Solution
The fourth proportional to 144,745,654.52, 199,750,545.99 and 78,666,156.24 is: 108,560,134.07
Step by Step Solution
- Step 1: Write the proportion equation
144,745,654.52 : 199,750,545.99 = 78,666,156.24 : x - Step 2: Convert to fraction form
144,745,654.52/199,750,545.99 = 78,666,156.24/x - Step 3: Cross multiply
144,745,654.52x = 199,750,545.99 × 78,666,156.24 - Step 4: Simplify right side
144,745,654.52x = 15,713,607,659,874,646 - Step 5: Solve for x
x = 15,713,607,659,874,646/144,745,654.52 - Step 6: Final answer
x = 108,560,134.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.