Home / 80,461,159.20-120,691,738.80-26,608,471.20

Finding the Fourth Proportional to 80,461,159.20, 120,691,738.80 and 26,608,471.20

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Solution

The fourth proportional to 80,461,159.20, 120,691,738.80 and 26,608,471.20 is: 39,912,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,461,159.20 : 120,691,738.80 = 26,608,471.20 : x
  2. Step 2: Convert to fraction form
    80,461,159.20/120,691,738.80 = 26,608,471.20/x
  3. Step 3: Cross multiply
    80,461,159.20x = 120,691,738.80 × 26,608,471.20
  4. Step 4: Simplify right side
    80,461,159.20x = 3,211,422,655,937,722.50
  5. Step 5: Solve for x
    x = 3,211,422,655,937,722.50/80,461,159.20
  6. Step 6: Final answer
    x = 39,912,706.80

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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.