Home / 42,257,974.20-63,386,961.30-41,691,103.80

Finding the Fourth Proportional to 42,257,974.20, 63,386,961.30 and 41,691,103.80

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Solution

The fourth proportional to 42,257,974.20, 63,386,961.30 and 41,691,103.80 is: 62,536,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,257,974.20 : 63,386,961.30 = 41,691,103.80 : x
  2. Step 2: Convert to fraction form
    42,257,974.20/63,386,961.30 = 41,691,103.80/x
  3. Step 3: Cross multiply
    42,257,974.20x = 63,386,961.30 × 41,691,103.80
  4. Step 4: Simplify right side
    42,257,974.20x = 2,642,672,383,124,882.50
  5. Step 5: Solve for x
    x = 2,642,672,383,124,882.50/42,257,974.20
  6. Step 6: Final answer
    x = 62,536,655.70

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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.