Home / 178,544,441.52-267,408,915.48-85,237,047.72

Finding the Fourth Proportional to 178,544,441.52, 267,408,915.48 and 85,237,047.72

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Solution

The fourth proportional to 178,544,441.52, 267,408,915.48 and 85,237,047.72 is: 127,660,913.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,544,441.52 : 267,408,915.48 = 85,237,047.72 : x
  2. Step 2: Convert to fraction form
    178,544,441.52/267,408,915.48 = 85,237,047.72/x
  3. Step 3: Cross multiply
    178,544,441.52x = 267,408,915.48 × 85,237,047.72
  4. Step 4: Simplify right side
    178,544,441.52x = 22,793,146,489,522,204
  5. Step 5: Solve for x
    x = 22,793,146,489,522,204/178,544,441.52
  6. Step 6: Final answer
    x = 127,660,913.41

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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.