Home / 154,560,187.20-231,840,280.80-82,896,571.20

Finding the Fourth Proportional to 154,560,187.20, 231,840,280.80 and 82,896,571.20

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Solution

The fourth proportional to 154,560,187.20, 231,840,280.80 and 82,896,571.20 is: 124,344,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,560,187.20 : 231,840,280.80 = 82,896,571.20 : x
  2. Step 2: Convert to fraction form
    154,560,187.20/231,840,280.80 = 82,896,571.20/x
  3. Step 3: Cross multiply
    154,560,187.20x = 231,840,280.80 × 82,896,571.20
  4. Step 4: Simplify right side
    154,560,187.20x = 19,218,764,344,365,196
  5. Step 5: Solve for x
    x = 19,218,764,344,365,196/154,560,187.20
  6. Step 6: Final answer
    x = 124,344,856.80

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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.