Home / 87,913,807.70-131,870,711.55-44,915,638.10

Finding the Fourth Proportional to 87,913,807.70, 131,870,711.55 and 44,915,638.10

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Solution

The fourth proportional to 87,913,807.70, 131,870,711.55 and 44,915,638.10 is: 67,373,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,913,807.70 : 131,870,711.55 = 44,915,638.10 : x
  2. Step 2: Convert to fraction form
    87,913,807.70/131,870,711.55 = 44,915,638.10/x
  3. Step 3: Cross multiply
    87,913,807.70x = 131,870,711.55 × 44,915,638.10
  4. Step 4: Simplify right side
    87,913,807.70x = 5,923,057,155,969,290
  5. Step 5: Solve for x
    x = 5,923,057,155,969,290/87,913,807.70
  6. Step 6: Final answer
    x = 67,373,457.15

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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.