Home / 42,108,001.20-63,162,001.80-37,165,599.90

Finding the Fourth Proportional to 42,108,001.20, 63,162,001.80 and 37,165,599.90

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Solution

The fourth proportional to 42,108,001.20, 63,162,001.80 and 37,165,599.90 is: 55,748,399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,108,001.20 : 63,162,001.80 = 37,165,599.90 : x
  2. Step 2: Convert to fraction form
    42,108,001.20/63,162,001.80 = 37,165,599.90/x
  3. Step 3: Cross multiply
    42,108,001.20x = 63,162,001.80 × 37,165,599.90
  4. Step 4: Simplify right side
    42,108,001.20x = 2,347,453,687,781,879.50
  5. Step 5: Solve for x
    x = 2,347,453,687,781,879.50/42,108,001.20
  6. Step 6: Final answer
    x = 55,748,399.85

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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.