Home / 71,914,091.60-107,874,286.20-20,801,277.20

Finding the Fourth Proportional to 71,914,091.60, 107,874,286.20 and 20,801,277.20

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Solution

The fourth proportional to 71,914,091.60, 107,874,286.20 and 20,801,277.20 is: 31,202,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,914,091.60 : 107,874,286.20 = 20,801,277.20 : x
  2. Step 2: Convert to fraction form
    71,914,091.60/107,874,286.20 = 20,801,277.20/x
  3. Step 3: Cross multiply
    71,914,091.60x = 107,874,286.20 × 20,801,277.20
  4. Step 4: Simplify right side
    71,914,091.60x = 2,243,922,929,998,334.50
  5. Step 5: Solve for x
    x = 2,243,922,929,998,334.50/71,914,091.60
  6. Step 6: Final answer
    x = 31,202,826.60

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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.