Home / 320,917,789.12-480,304,081.12-182,706,292.80

Finding the Fourth Proportional to 320,917,789.12, 480,304,081.12 and 182,706,292.80

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Solution

The fourth proportional to 320,917,789.12, 480,304,081.12 and 182,706,292.80 is: 273,448,780.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,917,789.12 : 480,304,081.12 = 182,706,292.80 : x
  2. Step 2: Convert to fraction form
    320,917,789.12/480,304,081.12 = 182,706,292.80/x
  3. Step 3: Cross multiply
    320,917,789.12x = 480,304,081.12 × 182,706,292.80
  4. Step 4: Simplify right side
    320,917,789.12x = 87,754,578,078,145,680
  5. Step 5: Solve for x
    x = 87,754,578,078,145,680/320,917,789.12
  6. Step 6: Final answer
    x = 273,448,780.51

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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.