Home / 87,268,212.62-120,431,061.37-48,111,390.53

Finding the Fourth Proportional to 87,268,212.62, 120,431,061.37 and 48,111,390.53

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Solution

The fourth proportional to 87,268,212.62, 120,431,061.37 and 48,111,390.53 is: 66,394,230.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,268,212.62 : 120,431,061.37 = 48,111,390.53 : x
  2. Step 2: Convert to fraction form
    87,268,212.62/120,431,061.37 = 48,111,390.53/x
  3. Step 3: Cross multiply
    87,268,212.62x = 120,431,061.37 × 48,111,390.53
  4. Step 4: Simplify right side
    87,268,212.62x = 5,794,105,825,514,467
  5. Step 5: Solve for x
    x = 5,794,105,825,514,467/87,268,212.62
  6. Step 6: Final answer
    x = 66,394,230.52

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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.