Home / 87,324,803.60-130,987,205.40-61,794,640.40

Finding the Fourth Proportional to 87,324,803.60, 130,987,205.40 and 61,794,640.40

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Solution

The fourth proportional to 87,324,803.60, 130,987,205.40 and 61,794,640.40 is: 92,691,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,324,803.60 : 130,987,205.40 = 61,794,640.40 : x
  2. Step 2: Convert to fraction form
    87,324,803.60/130,987,205.40 = 61,794,640.40/x
  3. Step 3: Cross multiply
    87,324,803.60x = 130,987,205.40 × 61,794,640.40
  4. Step 4: Simplify right side
    87,324,803.60x = 8,094,307,254,693,938
  5. Step 5: Solve for x
    x = 8,094,307,254,693,938/87,324,803.60
  6. Step 6: Final answer
    x = 92,691,960.60

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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.