Home / 138,600,319.72-207,899,912.94-34,969,767.88

Finding the Fourth Proportional to 138,600,319.72, 207,899,912.94 and 34,969,767.88

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Solution

The fourth proportional to 138,600,319.72, 207,899,912.94 and 34,969,767.88 is: 52,454,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,600,319.72 : 207,899,912.94 = 34,969,767.88 : x
  2. Step 2: Convert to fraction form
    138,600,319.72/207,899,912.94 = 34,969,767.88/x
  3. Step 3: Cross multiply
    138,600,319.72x = 207,899,912.94 × 34,969,767.88
  4. Step 4: Simplify right side
    138,600,319.72x = 7,270,211,697,784,009
  5. Step 5: Solve for x
    x = 7,270,211,697,784,009/138,600,319.72
  6. Step 6: Final answer
    x = 52,454,508.85

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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.