Home / 87,204,489.20-130,806,733.80-61,376,456.60

Finding the Fourth Proportional to 87,204,489.20, 130,806,733.80 and 61,376,456.60

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Solution

The fourth proportional to 87,204,489.20, 130,806,733.80 and 61,376,456.60 is: 92,064,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,204,489.20 : 130,806,733.80 = 61,376,456.60 : x
  2. Step 2: Convert to fraction form
    87,204,489.20/130,806,733.80 = 61,376,456.60/x
  3. Step 3: Cross multiply
    87,204,489.20x = 130,806,733.80 × 61,376,456.60
  4. Step 4: Simplify right side
    87,204,489.20x = 8,028,453,820,063,453
  5. Step 5: Solve for x
    x = 8,028,453,820,063,453/87,204,489.20
  6. Step 6: Final answer
    x = 92,064,684.90

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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.