Home / 138,442,034.68-207,647,188.98-36,215,939.32

Finding the Fourth Proportional to 138,442,034.68, 207,647,188.98 and 36,215,939.32

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Solution

The fourth proportional to 138,442,034.68, 207,647,188.98 and 36,215,939.32 is: 54,319,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,442,034.68 : 207,647,188.98 = 36,215,939.32 : x
  2. Step 2: Convert to fraction form
    138,442,034.68/207,647,188.98 = 36,215,939.32/x
  3. Step 3: Cross multiply
    138,442,034.68x = 207,647,188.98 × 36,215,939.32
  4. Step 4: Simplify right side
    138,442,034.68x = 7,520,137,996,068,252
  5. Step 5: Solve for x
    x = 7,520,137,996,068,252/138,442,034.68
  6. Step 6: Final answer
    x = 54,319,759.27

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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.