Home / 87,264,620.91-120,425,541.48-48,105,538.47

Finding the Fourth Proportional to 87,264,620.91, 120,425,541.48 and 48,105,538.47

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Solution

The fourth proportional to 87,264,620.91, 120,425,541.48 and 48,105,538.47 is: 66,385,844.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,264,620.91 : 120,425,541.48 = 48,105,538.47 : x
  2. Step 2: Convert to fraction form
    87,264,620.91/120,425,541.48 = 48,105,538.47/x
  3. Step 3: Cross multiply
    87,264,620.91x = 120,425,541.48 × 48,105,538.47
  4. Step 4: Simplify right side
    87,264,620.91x = 5,793,135,518,436,721
  5. Step 5: Solve for x
    x = 5,793,135,518,436,721/87,264,620.91
  6. Step 6: Final answer
    x = 66,385,844.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.