Home / 72,026,188.56-108,039,559.86-17,438,683.14

Finding the Fourth Proportional to 72,026,188.56, 108,039,559.86 and 17,438,683.14

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Solution

The fourth proportional to 72,026,188.56, 108,039,559.86 and 17,438,683.14 is: 26,158,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,026,188.56 : 108,039,559.86 = 17,438,683.14 : x
  2. Step 2: Convert to fraction form
    72,026,188.56/108,039,559.86 = 17,438,683.14/x
  3. Step 3: Cross multiply
    72,026,188.56x = 108,039,559.86 × 17,438,683.14
  4. Step 4: Simplify right side
    72,026,188.56x = 1,884,067,650,983,602.75
  5. Step 5: Solve for x
    x = 1,884,067,650,983,602.75/72,026,188.56
  6. Step 6: Final answer
    x = 26,158,091.78

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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.