Home / 257,795,869.56-386,690,018.10-63,707,279.52

Finding the Fourth Proportional to 257,795,869.56, 386,690,018.10 and 63,707,279.52

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Solution

The fourth proportional to 257,795,869.56, 386,690,018.10 and 63,707,279.52 is: 95,559,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,795,869.56 : 386,690,018.10 = 63,707,279.52 : x
  2. Step 2: Convert to fraction form
    257,795,869.56/386,690,018.10 = 63,707,279.52/x
  3. Step 3: Cross multiply
    257,795,869.56x = 386,690,018.10 × 63,707,279.52
  4. Step 4: Simplify right side
    257,795,869.56x = 24,634,969,070,690,564
  5. Step 5: Solve for x
    x = 24,634,969,070,690,564/257,795,869.56
  6. Step 6: Final answer
    x = 95,559,983.61

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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.