Home / 268,671,464.40-402,992,037.72-119,062,839

Finding the Fourth Proportional to 268,671,464.40, 402,992,037.72 and 119,062,839

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Solution

The fourth proportional to 268,671,464.40, 402,992,037.72 and 119,062,839 is: 178,587,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,671,464.40 : 402,992,037.72 = 119,062,839 : x
  2. Step 2: Convert to fraction form
    268,671,464.40/402,992,037.72 = 119,062,839/x
  3. Step 3: Cross multiply
    268,671,464.40x = 402,992,037.72 × 119,062,839
  4. Step 4: Simplify right side
    268,671,464.40x = 47,981,376,105,338,288
  5. Step 5: Solve for x
    x = 47,981,376,105,338,288/268,671,464.40
  6. Step 6: Final answer
    x = 178,587,540.78

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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.