Home / 132,108,012.60-198,162,018.90-80,451,947.40

Finding the Fourth Proportional to 132,108,012.60, 198,162,018.90 and 80,451,947.40

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Solution

The fourth proportional to 132,108,012.60, 198,162,018.90 and 80,451,947.40 is: 120,677,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,108,012.60 : 198,162,018.90 = 80,451,947.40 : x
  2. Step 2: Convert to fraction form
    132,108,012.60/198,162,018.90 = 80,451,947.40/x
  3. Step 3: Cross multiply
    132,108,012.60x = 198,162,018.90 × 80,451,947.40
  4. Step 4: Simplify right side
    132,108,012.60x = 15,942,520,321,220,608
  5. Step 5: Solve for x
    x = 15,942,520,321,220,608/132,108,012.60
  6. Step 6: Final answer
    x = 120,677,921.10

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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.