Home / 137,659,761.72-206,488,724.04-55,777,431.96

Finding the Fourth Proportional to 137,659,761.72, 206,488,724.04 and 55,777,431.96

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Solution

The fourth proportional to 137,659,761.72, 206,488,724.04 and 55,777,431.96 is: 83,665,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,659,761.72 : 206,488,724.04 = 55,777,431.96 : x
  2. Step 2: Convert to fraction form
    137,659,761.72/206,488,724.04 = 55,777,431.96/x
  3. Step 3: Cross multiply
    137,659,761.72x = 206,488,724.04 × 55,777,431.96
  4. Step 4: Simplify right side
    137,659,761.72x = 11,517,410,755,648,316
  5. Step 5: Solve for x
    x = 11,517,410,755,648,316/137,659,761.72
  6. Step 6: Final answer
    x = 83,665,775.76

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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.