Home / 132,215,651.20-198,323,476.80-80,483,478.40

Finding the Fourth Proportional to 132,215,651.20, 198,323,476.80 and 80,483,478.40

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Solution

The fourth proportional to 132,215,651.20, 198,323,476.80 and 80,483,478.40 is: 120,725,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,215,651.20 : 198,323,476.80 = 80,483,478.40 : x
  2. Step 2: Convert to fraction form
    132,215,651.20/198,323,476.80 = 80,483,478.40/x
  3. Step 3: Cross multiply
    132,215,651.20x = 198,323,476.80 × 80,483,478.40
  4. Step 4: Simplify right side
    132,215,651.20x = 15,961,763,261,245,704
  5. Step 5: Solve for x
    x = 15,961,763,261,245,704/132,215,651.20
  6. Step 6: Final answer
    x = 120,725,217.60

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Similar ratio
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1.5x scale

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.