Home / 80,650,752,814.20-120,976,129,221.30-21,762,744,007.80

Finding the Fourth Proportional to 80,650,752,814.20, 120,976,129,221.30 and 21,762,744,007.80

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Solution

The fourth proportional to 80,650,752,814.20, 120,976,129,221.30 and 21,762,744,007.80 is: 32,644,116,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,650,752,814.20 : 120,976,129,221.30 = 21,762,744,007.80 : x
  2. Step 2: Convert to fraction form
    80,650,752,814.20/120,976,129,221.30 = 21,762,744,007.80/x
  3. Step 3: Cross multiply
    80,650,752,814.20x = 120,976,129,221.30 × 21,762,744,007.80
  4. Step 4: Simplify right side
    80,650,752,814.20x = 2,632,772,531,297,684,815,872
  5. Step 5: Solve for x
    x = 2,632,772,531,297,684,815,872/80,650,752,814.20
  6. Step 6: Final answer
    x = 32,644,116,011.70

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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.