Home / 80,446,687.70-120,670,031.55-26,593,999.70

Finding the Fourth Proportional to 80,446,687.70, 120,670,031.55 and 26,593,999.70

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Solution

The fourth proportional to 80,446,687.70, 120,670,031.55 and 26,593,999.70 is: 39,890,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,446,687.70 : 120,670,031.55 = 26,593,999.70 : x
  2. Step 2: Convert to fraction form
    80,446,687.70/120,670,031.55 = 26,593,999.70/x
  3. Step 3: Cross multiply
    80,446,687.70x = 120,670,031.55 × 26,593,999.70
  4. Step 4: Simplify right side
    80,446,687.70x = 3,209,098,782,839,690.50
  5. Step 5: Solve for x
    x = 3,209,098,782,839,690.50/80,446,687.70
  6. Step 6: Final answer
    x = 39,890,999.55

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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.