Home / 80,261,660.20-120,392,490.30-57,754,805.80

Finding the Fourth Proportional to 80,261,660.20, 120,392,490.30 and 57,754,805.80

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Solution

The fourth proportional to 80,261,660.20, 120,392,490.30 and 57,754,805.80 is: 86,632,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,261,660.20 : 120,392,490.30 = 57,754,805.80 : x
  2. Step 2: Convert to fraction form
    80,261,660.20/120,392,490.30 = 57,754,805.80/x
  3. Step 3: Cross multiply
    80,261,660.20x = 120,392,490.30 × 57,754,805.80
  4. Step 4: Simplify right side
    80,261,660.20x = 6,953,244,897,054,883
  5. Step 5: Solve for x
    x = 6,953,244,897,054,883/80,261,660.20
  6. Step 6: Final answer
    x = 86,632,208.70

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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.