Home / 154,560,381.20-231,840,571.80-82,896,765.20

Finding the Fourth Proportional to 154,560,381.20, 231,840,571.80 and 82,896,765.20

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Solution

The fourth proportional to 154,560,381.20, 231,840,571.80 and 82,896,765.20 is: 124,345,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,560,381.20 : 231,840,571.80 = 82,896,765.20 : x
  2. Step 2: Convert to fraction form
    154,560,381.20/231,840,571.80 = 82,896,765.20/x
  3. Step 3: Cross multiply
    154,560,381.20x = 231,840,571.80 × 82,896,765.20
  4. Step 4: Simplify right side
    154,560,381.20x = 19,218,833,444,338,344
  5. Step 5: Solve for x
    x = 19,218,833,444,338,344/154,560,381.20
  6. Step 6: Final answer
    x = 124,345,147.80

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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.