Home / 71,867,427.39-107,801,091.27-17,279,994.87

Finding the Fourth Proportional to 71,867,427.39, 107,801,091.27 and 17,279,994.87

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Solution

The fourth proportional to 71,867,427.39, 107,801,091.27 and 17,279,994.87 is: 25,919,980.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,867,427.39 : 107,801,091.27 = 17,279,994.87 : x
  2. Step 2: Convert to fraction form
    71,867,427.39/107,801,091.27 = 17,279,994.87/x
  3. Step 3: Cross multiply
    71,867,427.39x = 107,801,091.27 × 17,279,994.87
  4. Step 4: Simplify right side
    71,867,427.39x = 1,862,802,304,126,001.75
  5. Step 5: Solve for x
    x = 1,862,802,304,126,001.75/71,867,427.39
  6. Step 6: Final answer
    x = 25,919,980.33

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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.