Home / 132,108,010.60-198,162,015.90-80,451,945.40

Finding the Fourth Proportional to 132,108,010.60, 198,162,015.90 and 80,451,945.40

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Solution

The fourth proportional to 132,108,010.60, 198,162,015.90 and 80,451,945.40 is: 120,677,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,108,010.60 : 198,162,015.90 = 80,451,945.40 : x
  2. Step 2: Convert to fraction form
    132,108,010.60/198,162,015.90 = 80,451,945.40/x
  3. Step 3: Cross multiply
    132,108,010.60x = 198,162,015.90 × 80,451,945.40
  4. Step 4: Simplify right side
    132,108,010.60x = 15,942,519,683,540,734
  5. Step 5: Solve for x
    x = 15,942,519,683,540,734/132,108,010.60
  6. Step 6: Final answer
    x = 120,677,918.10

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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.