Finding the Fourth Proportional to 87,506,330.86, 120,761,171.49 and 48,350,630.62
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Solution
The fourth proportional to 87,506,330.86, 120,761,171.49 and 48,350,630.62 is: 66,725,215.63
Step by Step Solution
- Step 1: Write the proportion equation
87,506,330.86 : 120,761,171.49 = 48,350,630.62 : x - Step 2: Convert to fraction form
87,506,330.86/120,761,171.49 = 48,350,630.62/x - Step 3: Cross multiply
87,506,330.86x = 120,761,171.49 × 48,350,630.62 - Step 4: Simplify right side
87,506,330.86x = 5,838,878,795,951,464 - Step 5: Solve for x
x = 5,838,878,795,951,464/87,506,330.86 - Step 6: Final answer
x = 66,725,215.63
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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.