Finding the Fourth Proportional to 115,756,251.68, 159,737,760.97 and 68,715,335.90
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Solution
The fourth proportional to 115,756,251.68, 159,737,760.97 and 68,715,335.90 is: 94,823,681.15
Step by Step Solution
- Step 1: Write the proportion equation
115,756,251.68 : 159,737,760.97 = 68,715,335.90 : x - Step 2: Convert to fraction form
115,756,251.68/159,737,760.97 = 68,715,335.90/x - Step 3: Cross multiply
115,756,251.68x = 159,737,760.97 × 68,715,335.90 - Step 4: Simplify right side
115,756,251.68x = 10,976,433,899,996,982 - Step 5: Solve for x
x = 10,976,433,899,996,982/115,756,251.68 - Step 6: Final answer
x = 94,823,681.15
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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.