Home / 306,067,930.80-422,370,306.54-166,835,637.60

Finding the Fourth Proportional to 306,067,930.80, 422,370,306.54 and 166,835,637.60

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Solution

The fourth proportional to 306,067,930.80, 422,370,306.54 and 166,835,637.60 is: 230,231,305.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,067,930.80 : 422,370,306.54 = 166,835,637.60 : x
  2. Step 2: Convert to fraction form
    306,067,930.80/422,370,306.54 = 166,835,637.60/x
  3. Step 3: Cross multiply
    306,067,930.80x = 422,370,306.54 × 166,835,637.60
  4. Step 4: Simplify right side
    306,067,930.80x = 70,466,419,394,908,352
  5. Step 5: Solve for x
    x = 70,466,419,394,908,352/306,067,930.80
  6. Step 6: Final answer
    x = 230,231,305.88

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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.