Home / 48,543,338.10-72,815,007.15-43,672,451.70

Finding the Fourth Proportional to 48,543,338.10, 72,815,007.15 and 43,672,451.70

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Solution

The fourth proportional to 48,543,338.10, 72,815,007.15 and 43,672,451.70 is: 65,508,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,543,338.10 : 72,815,007.15 = 43,672,451.70 : x
  2. Step 2: Convert to fraction form
    48,543,338.10/72,815,007.15 = 43,672,451.70/x
  3. Step 3: Cross multiply
    48,543,338.10x = 72,815,007.15 × 43,672,451.70
  4. Step 4: Simplify right side
    48,543,338.10x = 3,180,009,882,793,530
  5. Step 5: Solve for x
    x = 3,180,009,882,793,530/48,543,338.10
  6. Step 6: Final answer
    x = 65,508,677.55

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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.