Home / 178,517,069.16-267,653,357.94-90,909,001.88

Finding the Fourth Proportional to 178,517,069.16, 267,653,357.94 and 90,909,001.88

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Solution

The fourth proportional to 178,517,069.16, 267,653,357.94 and 90,909,001.88 is: 136,301,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,517,069.16 : 267,653,357.94 = 90,909,001.88 : x
  2. Step 2: Convert to fraction form
    178,517,069.16/267,653,357.94 = 90,909,001.88/x
  3. Step 3: Cross multiply
    178,517,069.16x = 267,653,357.94 × 90,909,001.88
  4. Step 4: Simplify right side
    178,517,069.16x = 24,332,099,620,155,772
  5. Step 5: Solve for x
    x = 24,332,099,620,155,772/178,517,069.16
  6. Step 6: Final answer
    x = 136,301,249.70

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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.