Finding the Fourth Proportional to 88,432,854.70, 132,649,282.05 and 53,853,760.30
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Solution
The fourth proportional to 88,432,854.70, 132,649,282.05 and 53,853,760.30 is: 80,780,640.45
Step by Step Solution
- Step 1: Write the proportion equation
88,432,854.70 : 132,649,282.05 = 53,853,760.30 : x - Step 2: Convert to fraction form
88,432,854.70/132,649,282.05 = 53,853,760.30/x - Step 3: Cross multiply
88,432,854.70x = 132,649,282.05 × 53,853,760.30 - Step 4: Simplify right side
88,432,854.70x = 7,143,662,639,487,792 - Step 5: Solve for x
x = 7,143,662,639,487,792/88,432,854.70 - Step 6: Final answer
x = 80,780,640.45
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Double scale
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Similar ratio
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1.5x scale
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.