Home / 48,543,348.60-72,815,022.90-43,672,462.20

Finding the Fourth Proportional to 48,543,348.60, 72,815,022.90 and 43,672,462.20

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Solution

The fourth proportional to 48,543,348.60, 72,815,022.90 and 43,672,462.20 is: 65,508,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,543,348.60 : 72,815,022.90 = 43,672,462.20 : x
  2. Step 2: Convert to fraction form
    48,543,348.60/72,815,022.90 = 43,672,462.20/x
  3. Step 3: Cross multiply
    48,543,348.60x = 72,815,022.90 × 43,672,462.20
  4. Step 4: Simplify right side
    48,543,348.60x = 3,180,011,335,192,385
  5. Step 5: Solve for x
    x = 3,180,011,335,192,385/48,543,348.60
  6. Step 6: Final answer
    x = 65,508,693.30

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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.