Home / 87,336,032.80-131,004,049.20-60,126,253.60

Finding the Fourth Proportional to 87,336,032.80, 131,004,049.20 and 60,126,253.60

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Solution

The fourth proportional to 87,336,032.80, 131,004,049.20 and 60,126,253.60 is: 90,189,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,336,032.80 : 131,004,049.20 = 60,126,253.60 : x
  2. Step 2: Convert to fraction form
    87,336,032.80/131,004,049.20 = 60,126,253.60/x
  3. Step 3: Cross multiply
    87,336,032.80x = 131,004,049.20 × 60,126,253.60
  4. Step 4: Simplify right side
    87,336,032.80x = 7,876,782,684,826,077
  5. Step 5: Solve for x
    x = 7,876,782,684,826,077/87,336,032.80
  6. Step 6: Final answer
    x = 90,189,380.40

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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.