Finding the Fourth Proportional to 87,216,375.70, 130,541,128.35 and 87,216,375.70
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Solution
The fourth proportional to 87,216,375.70, 130,541,128.35 and 87,216,375.70 is: 130,541,128.35
Step by Step Solution
- Step 1: Write the proportion equation
87,216,375.70 : 130,541,128.35 = 87,216,375.70 : x - Step 2: Convert to fraction form
87,216,375.70/130,541,128.35 = 87,216,375.70/x - Step 3: Cross multiply
87,216,375.70x = 130,541,128.35 × 87,216,375.70 - Step 4: Simplify right side
87,216,375.70x = 11,385,324,094,475,520 - Step 5: Solve for x
x = 11,385,324,094,475,520/87,216,375.70 - Step 6: Final answer
x = 130,541,128.35
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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.