Home / 126,023,765.10-188,960,998.05-65,557,589.10

Finding the Fourth Proportional to 126,023,765.10, 188,960,998.05 and 65,557,589.10

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Solution

The fourth proportional to 126,023,765.10, 188,960,998.05 and 65,557,589.10 is: 98,297,550.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,023,765.10 : 188,960,998.05 = 65,557,589.10 : x
  2. Step 2: Convert to fraction form
    126,023,765.10/188,960,998.05 = 65,557,589.10/x
  3. Step 3: Cross multiply
    126,023,765.10x = 188,960,998.05 × 65,557,589.10
  4. Step 4: Simplify right side
    126,023,765.10x = 12,387,827,466,087,802
  5. Step 5: Solve for x
    x = 12,387,827,466,087,802/126,023,765.10
  6. Step 6: Final answer
    x = 98,297,550.91

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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.