Home / 193,565,891.72-267,120,785.46-106,645,763.72

Finding the Fourth Proportional to 193,565,891.72, 267,120,785.46 and 106,645,763.72

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Solution

The fourth proportional to 193,565,891.72, 267,120,785.46 and 106,645,763.72 is: 147,171,073.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,565,891.72 : 267,120,785.46 = 106,645,763.72 : x
  2. Step 2: Convert to fraction form
    193,565,891.72/267,120,785.46 = 106,645,763.72/x
  3. Step 3: Cross multiply
    193,565,891.72x = 267,120,785.46 × 106,645,763.72
  4. Step 4: Simplify right side
    193,565,891.72x = 28,487,300,170,867,972
  5. Step 5: Solve for x
    x = 28,487,300,170,867,972/193,565,891.72
  6. Step 6: Final answer
    x = 147,171,073.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.