Home / 132,156,680.40-198,235,020.60-80,500,615.20

Finding the Fourth Proportional to 132,156,680.40, 198,235,020.60 and 80,500,615.20

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Solution

The fourth proportional to 132,156,680.40, 198,235,020.60 and 80,500,615.20 is: 120,750,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,156,680.40 : 198,235,020.60 = 80,500,615.20 : x
  2. Step 2: Convert to fraction form
    132,156,680.40/198,235,020.60 = 80,500,615.20/x
  3. Step 3: Cross multiply
    132,156,680.40x = 198,235,020.60 × 80,500,615.20
  4. Step 4: Simplify right side
    132,156,680.40x = 15,958,041,112,484,674
  5. Step 5: Solve for x
    x = 15,958,041,112,484,674/132,156,680.40
  6. Step 6: Final answer
    x = 120,750,922.80

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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.