Home / 87,268,207.12-120,431,053.78-48,111,385.02

Finding the Fourth Proportional to 87,268,207.12, 120,431,053.78 and 48,111,385.02

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Solution

The fourth proportional to 87,268,207.12, 120,431,053.78 and 48,111,385.02 is: 66,394,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,268,207.12 : 120,431,053.78 = 48,111,385.02 : x
  2. Step 2: Convert to fraction form
    87,268,207.12/120,431,053.78 = 48,111,385.02/x
  3. Step 3: Cross multiply
    87,268,207.12x = 120,431,053.78 × 48,111,385.02
  4. Step 4: Simplify right side
    87,268,207.12x = 5,794,104,796,472,398
  5. Step 5: Solve for x
    x = 5,794,104,796,472,398/87,268,207.12
  6. Step 6: Final answer
    x = 66,394,222.91

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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.