Home / 154,560,103.20-231,840,154.80-82,896,487.20

Finding the Fourth Proportional to 154,560,103.20, 231,840,154.80 and 82,896,487.20

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Solution

The fourth proportional to 154,560,103.20, 231,840,154.80 and 82,896,487.20 is: 124,344,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,560,103.20 : 231,840,154.80 = 82,896,487.20 : x
  2. Step 2: Convert to fraction form
    154,560,103.20/231,840,154.80 = 82,896,487.20/x
  3. Step 3: Cross multiply
    154,560,103.20x = 231,840,154.80 × 82,896,487.20
  4. Step 4: Simplify right side
    154,560,103.20x = 19,218,734,424,824,220
  5. Step 5: Solve for x
    x = 19,218,734,424,824,220/154,560,103.20
  6. Step 6: Final answer
    x = 124,344,730.80

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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.