Home / 154,591,019.64-213,336,049.59-88,512,531.44

Finding the Fourth Proportional to 154,591,019.64, 213,336,049.59 and 88,512,531.44

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Solution

The fourth proportional to 154,591,019.64, 213,336,049.59 and 88,512,531.44 is: 122,147,546.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,591,019.64 : 213,336,049.59 = 88,512,531.44 : x
  2. Step 2: Convert to fraction form
    154,591,019.64/213,336,049.59 = 88,512,531.44/x
  3. Step 3: Cross multiply
    154,591,019.64x = 213,336,049.59 × 88,512,531.44
  4. Step 4: Simplify right side
    154,591,019.64x = 18,882,913,795,553,596
  5. Step 5: Solve for x
    x = 18,882,913,795,553,596/154,591,019.64
  6. Step 6: Final answer
    x = 122,147,546.73

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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.