Home / 72,026,196.56-108,039,571.86-17,438,691.14

Finding the Fourth Proportional to 72,026,196.56, 108,039,571.86 and 17,438,691.14

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Solution

The fourth proportional to 72,026,196.56, 108,039,571.86 and 17,438,691.14 is: 26,158,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,026,196.56 : 108,039,571.86 = 17,438,691.14 : x
  2. Step 2: Convert to fraction form
    72,026,196.56/108,039,571.86 = 17,438,691.14/x
  3. Step 3: Cross multiply
    72,026,196.56x = 108,039,571.86 × 17,438,691.14
  4. Step 4: Simplify right side
    72,026,196.56x = 1,884,068,724,564,375.25
  5. Step 5: Solve for x
    x = 1,884,068,724,564,375.25/72,026,196.56
  6. Step 6: Final answer
    x = 26,158,103.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.