Home / 158,083,377.45-218,150,375.49-87,522,132.47

Finding the Fourth Proportional to 158,083,377.45, 218,150,375.49 and 87,522,132.47

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Solution

The fourth proportional to 158,083,377.45, 218,150,375.49 and 87,522,132.47 is: 120,777,948.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,083,377.45 : 218,150,375.49 = 87,522,132.47 : x
  2. Step 2: Convert to fraction form
    158,083,377.45/218,150,375.49 = 87,522,132.47/x
  3. Step 3: Cross multiply
    158,083,377.45x = 218,150,375.49 × 87,522,132.47
  4. Step 4: Simplify right side
    158,083,377.45x = 19,092,986,060,925,272
  5. Step 5: Solve for x
    x = 19,092,986,060,925,272/158,083,377.45
  6. Step 6: Final answer
    x = 120,777,948.76

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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.