Home / 87,167,493.28-120,291,976.56-48,010,157.92

Finding the Fourth Proportional to 87,167,493.28, 120,291,976.56 and 48,010,157.92

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Solution

The fourth proportional to 87,167,493.28, 120,291,976.56 and 48,010,157.92 is: 66,254,478.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,167,493.28 : 120,291,976.56 = 48,010,157.92 : x
  2. Step 2: Convert to fraction form
    87,167,493.28/120,291,976.56 = 48,010,157.92/x
  3. Step 3: Cross multiply
    87,167,493.28x = 120,291,976.56 × 48,010,157.92
  4. Step 4: Simplify right side
    87,167,493.28x = 5,775,236,791,154,539
  5. Step 5: Solve for x
    x = 5,775,236,791,154,539/87,167,493.28
  6. Step 6: Final answer
    x = 66,254,478.29

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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.