Home / 79,147,607.76-109,223,454.92-43,867,662.80

Finding the Fourth Proportional to 79,147,607.76, 109,223,454.92 and 43,867,662.80

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Solution

The fourth proportional to 79,147,607.76, 109,223,454.92 and 43,867,662.80 is: 60,537,239.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,147,607.76 : 109,223,454.92 = 43,867,662.80 : x
  2. Step 2: Convert to fraction form
    79,147,607.76/109,223,454.92 = 43,867,662.80/x
  3. Step 3: Cross multiply
    79,147,607.76x = 109,223,454.92 × 43,867,662.80
  4. Step 4: Simplify right side
    79,147,607.76x = 4,791,377,690,281,561
  5. Step 5: Solve for x
    x = 4,791,377,690,281,561/79,147,607.76
  6. Step 6: Final answer
    x = 60,537,239.54

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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.