Home / 71,189,932.15-98,245,920.82-39,826,110.13

Finding the Fourth Proportional to 71,189,932.15, 98,245,920.82 and 39,826,110.13

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Solution

The fourth proportional to 71,189,932.15, 98,245,920.82 and 39,826,110.13 is: 54,962,165.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,189,932.15 : 98,245,920.82 = 39,826,110.13 : x
  2. Step 2: Convert to fraction form
    71,189,932.15/98,245,920.82 = 39,826,110.13/x
  3. Step 3: Cross multiply
    71,189,932.15x = 98,245,920.82 × 39,826,110.13
  4. Step 4: Simplify right side
    71,189,932.15x = 3,912,752,861,909,350
  5. Step 5: Solve for x
    x = 3,912,752,861,909,350/71,189,932.15
  6. Step 6: Final answer
    x = 54,962,165.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.