Home / 138,175,723.62-207,335,317.01-56,354,629.86

Finding the Fourth Proportional to 138,175,723.62, 207,335,317.01 and 56,354,629.86

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Solution

The fourth proportional to 138,175,723.62, 207,335,317.01 and 56,354,629.86 is: 84,561,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,175,723.62 : 207,335,317.01 = 56,354,629.86 : x
  2. Step 2: Convert to fraction form
    138,175,723.62/207,335,317.01 = 56,354,629.86/x
  3. Step 3: Cross multiply
    138,175,723.62x = 207,335,317.01 × 56,354,629.86
  4. Step 4: Simplify right side
    138,175,723.62x = 11,684,305,046,722,538
  5. Step 5: Solve for x
    x = 11,684,305,046,722,538/138,175,723.62
  6. Step 6: Final answer
    x = 84,561,200.34

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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.