Finding the Fourth Proportional to 88,615,062.70, 133,059,451.65 and 48,304,278.70
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Solution
The fourth proportional to 88,615,062.70, 133,059,451.65 and 48,304,278.70 is: 72,531,019.45
Step by Step Solution
- Step 1: Write the proportion equation
88,615,062.70 : 133,059,451.65 = 48,304,278.70 : x - Step 2: Convert to fraction form
88,615,062.70/133,059,451.65 = 48,304,278.70/x - Step 3: Cross multiply
88,615,062.70x = 133,059,451.65 × 48,304,278.70 - Step 4: Simplify right side
88,615,062.70x = 6,427,340,836,170,776 - Step 5: Solve for x
x = 6,427,340,836,170,776/88,615,062.70 - Step 6: Final answer
x = 72,531,019.45
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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.