Home / 192,472,882.20-288,709,323.30-115,945,378.20

Finding the Fourth Proportional to 192,472,882.20, 288,709,323.30 and 115,945,378.20

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Solution

The fourth proportional to 192,472,882.20, 288,709,323.30 and 115,945,378.20 is: 173,918,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,472,882.20 : 288,709,323.30 = 115,945,378.20 : x
  2. Step 2: Convert to fraction form
    192,472,882.20/288,709,323.30 = 115,945,378.20/x
  3. Step 3: Cross multiply
    192,472,882.20x = 288,709,323.30 × 115,945,378.20
  4. Step 4: Simplify right side
    192,472,882.20x = 33,474,511,679,884,576
  5. Step 5: Solve for x
    x = 33,474,511,679,884,576/192,472,882.20
  6. Step 6: Final answer
    x = 173,918,067.30

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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.