Home / 312,675,259.92-431,493,805.80-173,454,844.56

Finding the Fourth Proportional to 312,675,259.92, 431,493,805.80 and 173,454,844.56

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Solution

The fourth proportional to 312,675,259.92, 431,493,805.80 and 173,454,844.56 is: 239,368,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,675,259.92 : 431,493,805.80 = 173,454,844.56 : x
  2. Step 2: Convert to fraction form
    312,675,259.92/431,493,805.80 = 173,454,844.56/x
  3. Step 3: Cross multiply
    312,675,259.92x = 431,493,805.80 × 173,454,844.56
  4. Step 4: Simplify right side
    312,675,259.92x = 74,844,691,013,641,824
  5. Step 5: Solve for x
    x = 74,844,691,013,641,824/312,675,259.92
  6. Step 6: Final answer
    x = 239,368,765.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.