Home / 178,187,350.40-267,281,025.60-87,488,086.40

Finding the Fourth Proportional to 178,187,350.40, 267,281,025.60 and 87,488,086.40

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Solution

The fourth proportional to 178,187,350.40, 267,281,025.60 and 87,488,086.40 is: 131,232,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,187,350.40 : 267,281,025.60 = 87,488,086.40 : x
  2. Step 2: Convert to fraction form
    178,187,350.40/267,281,025.60 = 87,488,086.40/x
  3. Step 3: Cross multiply
    178,187,350.40x = 267,281,025.60 × 87,488,086.40
  4. Step 4: Simplify right side
    178,187,350.40x = 23,383,905,460,773,412
  5. Step 5: Solve for x
    x = 23,383,905,460,773,412/178,187,350.40
  6. Step 6: Final answer
    x = 131,232,129.60

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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.