Home / 87,336,066.80-131,004,100.20-60,126,287.60

Finding the Fourth Proportional to 87,336,066.80, 131,004,100.20 and 60,126,287.60

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Solution

The fourth proportional to 87,336,066.80, 131,004,100.20 and 60,126,287.60 is: 90,189,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,336,066.80 : 131,004,100.20 = 60,126,287.60 : x
  2. Step 2: Convert to fraction form
    87,336,066.80/131,004,100.20 = 60,126,287.60/x
  3. Step 3: Cross multiply
    87,336,066.80x = 131,004,100.20 × 60,126,287.60
  4. Step 4: Simplify right side
    87,336,066.80x = 7,876,790,205,404,418
  5. Step 5: Solve for x
    x = 7,876,790,205,404,418/87,336,066.80
  6. Step 6: Final answer
    x = 90,189,431.40

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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.