Home / 178,056,004.20-267,084,006.30-147,445,002.60

Finding the Fourth Proportional to 178,056,004.20, 267,084,006.30 and 147,445,002.60

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Solution

The fourth proportional to 178,056,004.20, 267,084,006.30 and 147,445,002.60 is: 221,167,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,056,004.20 : 267,084,006.30 = 147,445,002.60 : x
  2. Step 2: Convert to fraction form
    178,056,004.20/267,084,006.30 = 147,445,002.60/x
  3. Step 3: Cross multiply
    178,056,004.20x = 267,084,006.30 × 147,445,002.60
  4. Step 4: Simplify right side
    178,056,004.20x = 39,380,202,003,321,920
  5. Step 5: Solve for x
    x = 39,380,202,003,321,920/178,056,004.20
  6. Step 6: Final answer
    x = 221,167,503.90

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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.