Home / 172,499,357.24-258,754,288.62-67,450,505.60

Finding the Fourth Proportional to 172,499,357.24, 258,754,288.62 and 67,450,505.60

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Solution

The fourth proportional to 172,499,357.24, 258,754,288.62 and 67,450,505.60 is: 101,177,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,499,357.24 : 258,754,288.62 = 67,450,505.60 : x
  2. Step 2: Convert to fraction form
    172,499,357.24/258,754,288.62 = 67,450,505.60/x
  3. Step 3: Cross multiply
    172,499,357.24x = 258,754,288.62 × 67,450,505.60
  4. Step 4: Simplify right side
    172,499,357.24x = 17,453,107,593,587,326
  5. Step 5: Solve for x
    x = 17,453,107,593,587,326/172,499,357.24
  6. Step 6: Final answer
    x = 101,177,812.33

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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.