Home / 71,189,932.89-98,245,921.86-39,826,110.87

Finding the Fourth Proportional to 71,189,932.89, 98,245,921.86 and 39,826,110.87

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Solution

The fourth proportional to 71,189,932.89, 98,245,921.86 and 39,826,110.87 is: 54,962,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,189,932.89 : 98,245,921.86 = 39,826,110.87 : x
  2. Step 2: Convert to fraction form
    71,189,932.89/98,245,921.86 = 39,826,110.87/x
  3. Step 3: Cross multiply
    71,189,932.89x = 98,245,921.86 × 39,826,110.87
  4. Step 4: Simplify right side
    71,189,932.89x = 3,912,752,976,521,716.50
  5. Step 5: Solve for x
    x = 3,912,752,976,521,716.50/71,189,932.89
  6. Step 6: Final answer
    x = 54,962,166.95

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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.