Home / 131,726,146.44-181,781,902.08-72,992,613.88

Finding the Fourth Proportional to 131,726,146.44, 181,781,902.08 and 72,992,613.88

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Solution

The fourth proportional to 131,726,146.44, 181,781,902.08 and 72,992,613.88 is: 100,729,707.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,726,146.44 : 181,781,902.08 = 72,992,613.88 : x
  2. Step 2: Convert to fraction form
    131,726,146.44/181,781,902.08 = 72,992,613.88/x
  3. Step 3: Cross multiply
    131,726,146.44x = 181,781,902.08 × 72,992,613.88
  4. Step 4: Simplify right side
    131,726,146.44x = 13,268,736,188,897,408
  5. Step 5: Solve for x
    x = 13,268,736,188,897,408/131,726,146.44
  6. Step 6: Final answer
    x = 100,729,707.41

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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.