Home / 151,005,507.60-225,405,863.78-129,577,806.48

Finding the Fourth Proportional to 151,005,507.60, 225,405,863.78 and 129,577,806.48

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Solution

The fourth proportional to 151,005,507.60, 225,405,863.78 and 129,577,806.48 is: 193,420,742.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,005,507.60 : 225,405,863.78 = 129,577,806.48 : x
  2. Step 2: Convert to fraction form
    151,005,507.60/225,405,863.78 = 129,577,806.48/x
  3. Step 3: Cross multiply
    151,005,507.60x = 225,405,863.78 × 129,577,806.48
  4. Step 4: Simplify right side
    151,005,507.60x = 29,207,597,396,342,084
  5. Step 5: Solve for x
    x = 29,207,597,396,342,084/151,005,507.60
  6. Step 6: Final answer
    x = 193,420,742.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.