Home / 48,543,338.60-72,815,007.90-43,672,452.20

Finding the Fourth Proportional to 48,543,338.60, 72,815,007.90 and 43,672,452.20

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Solution

The fourth proportional to 48,543,338.60, 72,815,007.90 and 43,672,452.20 is: 65,508,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,543,338.60 : 72,815,007.90 = 43,672,452.20 : x
  2. Step 2: Convert to fraction form
    48,543,338.60/72,815,007.90 = 43,672,452.20/x
  3. Step 3: Cross multiply
    48,543,338.60x = 72,815,007.90 × 43,672,452.20
  4. Step 4: Simplify right side
    48,543,338.60x = 3,180,009,951,955,373
  5. Step 5: Solve for x
    x = 3,180,009,951,955,373/48,543,338.60
  6. Step 6: Final answer
    x = 65,508,678.30

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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.