Finding the Fourth Proportional to 81,766,781.59, 122,635,609.64 and 32,578,512.49
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Solution
The fourth proportional to 81,766,781.59, 122,635,609.64 and 32,578,512.49 is: 48,861,966.47
Step by Step Solution
- Step 1: Write the proportion equation
81,766,781.59 : 122,635,609.64 = 32,578,512.49 : x - Step 2: Convert to fraction form
81,766,781.59/122,635,609.64 = 32,578,512.49/x - Step 3: Cross multiply
81,766,781.59x = 122,635,609.64 × 32,578,512.49 - Step 4: Simplify right side
81,766,781.59x = 3,995,285,740,375,504 - Step 5: Solve for x
x = 3,995,285,740,375,504/81,766,781.59 - Step 6: Final answer
x = 48,861,966.47
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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.