Home / 80,650,752,811.20-120,976,129,216.80-21,762,744,004.80

Finding the Fourth Proportional to 80,650,752,811.20, 120,976,129,216.80 and 21,762,744,004.80

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Solution

The fourth proportional to 80,650,752,811.20, 120,976,129,216.80 and 21,762,744,004.80 is: 32,644,116,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,650,752,811.20 : 120,976,129,216.80 = 21,762,744,004.80 : x
  2. Step 2: Convert to fraction form
    80,650,752,811.20/120,976,129,216.80 = 21,762,744,004.80/x
  3. Step 3: Cross multiply
    80,650,752,811.20x = 120,976,129,216.80 × 21,762,744,004.80
  4. Step 4: Simplify right side
    80,650,752,811.20x = 2,632,772,530,836,824,129,536
  5. Step 5: Solve for x
    x = 2,632,772,530,836,824,129,536/80,650,752,811.20
  6. Step 6: Final answer
    x = 32,644,116,007.20

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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.