Home / 87,410,265.20-131,115,397.80-82,707,340.40

Finding the Fourth Proportional to 87,410,265.20, 131,115,397.80 and 82,707,340.40

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Solution

The fourth proportional to 87,410,265.20, 131,115,397.80 and 82,707,340.40 is: 124,061,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,410,265.20 : 131,115,397.80 = 82,707,340.40 : x
  2. Step 2: Convert to fraction form
    87,410,265.20/131,115,397.80 = 82,707,340.40/x
  3. Step 3: Cross multiply
    87,410,265.20x = 131,115,397.80 × 82,707,340.40
  4. Step 4: Simplify right side
    87,410,265.20x = 10,844,205,837,526,012
  5. Step 5: Solve for x
    x = 10,844,205,837,526,012/87,410,265.20
  6. Step 6: Final answer
    x = 124,061,010.60

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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.