Home / 132,864,190.40-199,327,778.40-68,177,979.20

Finding the Fourth Proportional to 132,864,190.40, 199,327,778.40 and 68,177,979.20

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Solution

The fourth proportional to 132,864,190.40, 199,327,778.40 and 68,177,979.20 is: 102,283,129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,864,190.40 : 199,327,778.40 = 68,177,979.20 : x
  2. Step 2: Convert to fraction form
    132,864,190.40/199,327,778.40 = 68,177,979.20/x
  3. Step 3: Cross multiply
    132,864,190.40x = 199,327,778.40 × 68,177,979.20
  4. Step 4: Simplify right side
    132,864,190.40x = 13,589,765,129,737,410
  5. Step 5: Solve for x
    x = 13,589,765,129,737,410/132,864,190.40
  6. Step 6: Final answer
    x = 102,283,129.03

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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.