Home / 80,646,684.80-120,970,027.20-26,793,996.80

Finding the Fourth Proportional to 80,646,684.80, 120,970,027.20 and 26,793,996.80

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Solution

The fourth proportional to 80,646,684.80, 120,970,027.20 and 26,793,996.80 is: 40,190,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,646,684.80 : 120,970,027.20 = 26,793,996.80 : x
  2. Step 2: Convert to fraction form
    80,646,684.80/120,970,027.20 = 26,793,996.80/x
  3. Step 3: Cross multiply
    80,646,684.80x = 120,970,027.20 × 26,793,996.80
  4. Step 4: Simplify right side
    80,646,684.80x = 3,241,270,521,692,713
  5. Step 5: Solve for x
    x = 3,241,270,521,692,713/80,646,684.80
  6. Step 6: Final answer
    x = 40,190,995.20

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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.