Home / 100,055,387.70-150,083,081.55-99,098,793.90

Finding the Fourth Proportional to 100,055,387.70, 150,083,081.55 and 99,098,793.90

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Solution

The fourth proportional to 100,055,387.70, 150,083,081.55 and 99,098,793.90 is: 148,648,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,055,387.70 : 150,083,081.55 = 99,098,793.90 : x
  2. Step 2: Convert to fraction form
    100,055,387.70/150,083,081.55 = 99,098,793.90/x
  3. Step 3: Cross multiply
    100,055,387.70x = 150,083,081.55 × 99,098,793.90
  4. Step 4: Simplify right side
    100,055,387.70x = 14,873,052,366,400,344
  5. Step 5: Solve for x
    x = 14,873,052,366,400,344/100,055,387.70
  6. Step 6: Final answer
    x = 148,648,190.85

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1.5x scale

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.