Home / 120,414,193.56-166,176,145.62-67,491,871.02

Finding the Fourth Proportional to 120,414,193.56, 166,176,145.62 and 67,491,871.02

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Solution

The fourth proportional to 120,414,193.56, 166,176,145.62 and 67,491,871.02 is: 93,141,337.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,414,193.56 : 166,176,145.62 = 67,491,871.02 : x
  2. Step 2: Convert to fraction form
    120,414,193.56/166,176,145.62 = 67,491,871.02/x
  3. Step 3: Cross multiply
    120,414,193.56x = 166,176,145.62 × 67,491,871.02
  4. Step 4: Simplify right side
    120,414,193.56x = 11,215,538,986,785,778
  5. Step 5: Solve for x
    x = 11,215,538,986,785,778/120,414,193.56
  6. Step 6: Final answer
    x = 93,141,337.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.