Home / 217,121,711.44-325,844,020.68-87,730,446.64

Finding the Fourth Proportional to 217,121,711.44, 325,844,020.68 and 87,730,446.64

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Solution

The fourth proportional to 217,121,711.44, 325,844,020.68 and 87,730,446.64 is: 131,660,907.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,121,711.44 : 325,844,020.68 = 87,730,446.64 : x
  2. Step 2: Convert to fraction form
    217,121,711.44/325,844,020.68 = 87,730,446.64/x
  3. Step 3: Cross multiply
    217,121,711.44x = 325,844,020.68 × 87,730,446.64
  4. Step 4: Simplify right side
    217,121,711.44x = 28,586,441,469,229,796
  5. Step 5: Solve for x
    x = 28,586,441,469,229,796/217,121,711.44
  6. Step 6: Final answer
    x = 131,660,907.05

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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.