Home / 80,445,906.20-120,668,859.30-26,593,218.20

Finding the Fourth Proportional to 80,445,906.20, 120,668,859.30 and 26,593,218.20

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Solution

The fourth proportional to 80,445,906.20, 120,668,859.30 and 26,593,218.20 is: 39,889,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,445,906.20 : 120,668,859.30 = 26,593,218.20 : x
  2. Step 2: Convert to fraction form
    80,445,906.20/120,668,859.30 = 26,593,218.20/x
  3. Step 3: Cross multiply
    80,445,906.20x = 120,668,859.30 × 26,593,218.20
  4. Step 4: Simplify right side
    80,445,906.20x = 3,208,973,305,309,999
  5. Step 5: Solve for x
    x = 3,208,973,305,309,999/80,445,906.20
  6. Step 6: Final answer
    x = 39,889,827.30

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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.