Home / 83,744,414.20-125,616,621.30-77,697,796.60

Finding the Fourth Proportional to 83,744,414.20, 125,616,621.30 and 77,697,796.60

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Solution

The fourth proportional to 83,744,414.20, 125,616,621.30 and 77,697,796.60 is: 116,546,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,744,414.20 : 125,616,621.30 = 77,697,796.60 : x
  2. Step 2: Convert to fraction form
    83,744,414.20/125,616,621.30 = 77,697,796.60/x
  3. Step 3: Cross multiply
    83,744,414.20x = 125,616,621.30 × 77,697,796.60
  4. Step 4: Simplify right side
    83,744,414.20x = 9,760,134,691,346,626
  5. Step 5: Solve for x
    x = 9,760,134,691,346,626/83,744,414.20
  6. Step 6: Final answer
    x = 116,546,694.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.