Home / 178,022,644.20-267,033,966.30-109,147,890.60

Finding the Fourth Proportional to 178,022,644.20, 267,033,966.30 and 109,147,890.60

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Solution

The fourth proportional to 178,022,644.20, 267,033,966.30 and 109,147,890.60 is: 163,721,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,022,644.20 : 267,033,966.30 = 109,147,890.60 : x
  2. Step 2: Convert to fraction form
    178,022,644.20/267,033,966.30 = 109,147,890.60/x
  3. Step 3: Cross multiply
    178,022,644.20x = 267,033,966.30 × 109,147,890.60
  4. Step 4: Simplify right side
    178,022,644.20x = 29,146,194,140,196,488
  5. Step 5: Solve for x
    x = 29,146,194,140,196,488/178,022,644.20
  6. Step 6: Final answer
    x = 163,721,835.90

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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.