Home / 99,842,024.60-149,469,104.10-74,395,842.20

Finding the Fourth Proportional to 99,842,024.60, 149,469,104.10 and 74,395,842.20

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Solution

The fourth proportional to 99,842,024.60, 149,469,104.10 and 74,395,842.20 is: 111,374,743.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,842,024.60 : 149,469,104.10 = 74,395,842.20 : x
  2. Step 2: Convert to fraction form
    99,842,024.60/149,469,104.10 = 74,395,842.20/x
  3. Step 3: Cross multiply
    99,842,024.60x = 149,469,104.10 × 74,395,842.20
  4. Step 4: Simplify right side
    99,842,024.60x = 11,119,879,882,398,974
  5. Step 5: Solve for x
    x = 11,119,879,882,398,974/99,842,024.60
  6. Step 6: Final answer
    x = 111,374,743.52

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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.