Home / 80,612,032.20-120,933,794.70-32,081,627.40

Finding the Fourth Proportional to 80,612,032.20, 120,933,794.70 and 32,081,627.40

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Solution

The fourth proportional to 80,612,032.20, 120,933,794.70 and 32,081,627.40 is: 48,128,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,612,032.20 : 120,933,794.70 = 32,081,627.40 : x
  2. Step 2: Convert to fraction form
    80,612,032.20/120,933,794.70 = 32,081,627.40/x
  3. Step 3: Cross multiply
    80,612,032.20x = 120,933,794.70 × 32,081,627.40
  4. Step 4: Simplify right side
    80,612,032.20x = 3,879,752,941,633,494.50
  5. Step 5: Solve for x
    x = 3,879,752,941,633,494.50/80,612,032.20
  6. Step 6: Final answer
    x = 48,128,707.78

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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.