Home / 326,448,067.73-489,581,204.40-108,115,434.52

Finding the Fourth Proportional to 326,448,067.73, 489,581,204.40 and 108,115,434.52

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Solution

The fourth proportional to 326,448,067.73, 489,581,204.40 and 108,115,434.52 is: 162,143,047.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,448,067.73 : 489,581,204.40 = 108,115,434.52 : x
  2. Step 2: Convert to fraction form
    326,448,067.73/489,581,204.40 = 108,115,434.52/x
  3. Step 3: Cross multiply
    326,448,067.73x = 489,581,204.40 × 108,115,434.52
  4. Step 4: Simplify right side
    326,448,067.73x = 52,931,284,645,306,976
  5. Step 5: Solve for x
    x = 52,931,284,645,306,976/326,448,067.73
  6. Step 6: Final answer
    x = 162,143,047.79

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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.