Home / 158,083,378.95-218,150,377.56-87,522,133.97

Finding the Fourth Proportional to 158,083,378.95, 218,150,377.56 and 87,522,133.97

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Solution

The fourth proportional to 158,083,378.95, 218,150,377.56 and 87,522,133.97 is: 120,777,950.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,083,378.95 : 218,150,377.56 = 87,522,133.97 : x
  2. Step 2: Convert to fraction form
    158,083,378.95/218,150,377.56 = 87,522,133.97/x
  3. Step 3: Cross multiply
    158,083,378.95x = 218,150,377.56 × 87,522,133.97
  4. Step 4: Simplify right side
    158,083,378.95x = 19,092,986,569,321,652
  5. Step 5: Solve for x
    x = 19,092,986,569,321,652/158,083,378.95
  6. Step 6: Final answer
    x = 120,777,950.83

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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.