Home / 87,913,342.20-131,870,013.30-44,915,172.60

Finding the Fourth Proportional to 87,913,342.20, 131,870,013.30 and 44,915,172.60

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Solution

The fourth proportional to 87,913,342.20, 131,870,013.30 and 44,915,172.60 is: 67,372,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,913,342.20 : 131,870,013.30 = 44,915,172.60 : x
  2. Step 2: Convert to fraction form
    87,913,342.20/131,870,013.30 = 44,915,172.60/x
  3. Step 3: Cross multiply
    87,913,342.20x = 131,870,013.30 × 44,915,172.60
  4. Step 4: Simplify right side
    87,913,342.20x = 5,922,964,408,133,796
  5. Step 5: Solve for x
    x = 5,922,964,408,133,796/87,913,342.20
  6. Step 6: Final answer
    x = 67,372,758.90

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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.