Home / 87,268,211.62-120,431,059.99-48,111,389.53

Finding the Fourth Proportional to 87,268,211.62, 120,431,059.99 and 48,111,389.53

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Solution

The fourth proportional to 87,268,211.62, 120,431,059.99 and 48,111,389.53 is: 66,394,229.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,268,211.62 : 120,431,059.99 = 48,111,389.53 : x
  2. Step 2: Convert to fraction form
    87,268,211.62/120,431,059.99 = 48,111,389.53/x
  3. Step 3: Cross multiply
    87,268,211.62x = 120,431,059.99 × 48,111,389.53
  4. Step 4: Simplify right side
    87,268,211.62x = 5,794,105,638,268,332
  5. Step 5: Solve for x
    x = 5,794,105,638,268,332/87,268,211.62
  6. Step 6: Final answer
    x = 66,394,229.13

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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.