Home / 80,650,752,876.20-120,976,129,314.30-21,762,744,069.80

Finding the Fourth Proportional to 80,650,752,876.20, 120,976,129,314.30 and 21,762,744,069.80

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Solution

The fourth proportional to 80,650,752,876.20, 120,976,129,314.30 and 21,762,744,069.80 is: 32,644,116,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,650,752,876.20 : 120,976,129,314.30 = 21,762,744,069.80 : x
  2. Step 2: Convert to fraction form
    80,650,752,876.20/120,976,129,314.30 = 21,762,744,069.80/x
  3. Step 3: Cross multiply
    80,650,752,876.20x = 120,976,129,314.30 × 21,762,744,069.80
  4. Step 4: Simplify right side
    80,650,752,876.20x = 2,632,772,540,822,140,223,488
  5. Step 5: Solve for x
    x = 2,632,772,540,822,140,223,488/80,650,752,876.20
  6. Step 6: Final answer
    x = 32,644,116,104.70

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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.