Home / 71,189,934.93-98,245,924.67-39,826,112.92

Finding the Fourth Proportional to 71,189,934.93, 98,245,924.67 and 39,826,112.92

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Solution

The fourth proportional to 71,189,934.93, 98,245,924.67 and 39,826,112.92 is: 54,962,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,189,934.93 : 98,245,924.67 = 39,826,112.92 : x
  2. Step 2: Convert to fraction form
    71,189,934.93/98,245,924.67 = 39,826,112.92/x
  3. Step 3: Cross multiply
    71,189,934.93x = 98,245,924.67 × 39,826,112.92
  4. Step 4: Simplify right side
    71,189,934.93x = 3,912,753,289,638,103.50
  5. Step 5: Solve for x
    x = 3,912,753,289,638,103.50/71,189,934.93
  6. Step 6: Final answer
    x = 54,962,169.78

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Double scale
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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.