Home / 178,022,680.20-267,034,020.30-109,147,926.60

Finding the Fourth Proportional to 178,022,680.20, 267,034,020.30 and 109,147,926.60

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Solution

The fourth proportional to 178,022,680.20, 267,034,020.30 and 109,147,926.60 is: 163,721,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,022,680.20 : 267,034,020.30 = 109,147,926.60 : x
  2. Step 2: Convert to fraction form
    178,022,680.20/267,034,020.30 = 109,147,926.60/x
  3. Step 3: Cross multiply
    178,022,680.20x = 267,034,020.30 × 109,147,926.60
  4. Step 4: Simplify right side
    178,022,680.20x = 29,146,209,647,407,308
  5. Step 5: Solve for x
    x = 29,146,209,647,407,308/178,022,680.20
  6. Step 6: Final answer
    x = 163,721,889.90

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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.