Home / 49,744,049.12-68,646,929.92-28,840,144.16

Finding the Fourth Proportional to 49,744,049.12, 68,646,929.92 and 28,840,144.16

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Solution

The fourth proportional to 49,744,049.12, 68,646,929.92 and 28,840,144.16 is: 39,799,481.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,744,049.12 : 68,646,929.92 = 28,840,144.16 : x
  2. Step 2: Convert to fraction form
    49,744,049.12/68,646,929.92 = 28,840,144.16/x
  3. Step 3: Cross multiply
    49,744,049.12x = 68,646,929.92 × 28,840,144.16
  4. Step 4: Simplify right side
    49,744,049.12x = 1,979,787,355,034,217.25
  5. Step 5: Solve for x
    x = 1,979,787,355,034,217.25/49,744,049.12
  6. Step 6: Final answer
    x = 39,799,481.35

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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.