Home / 281,899,371.52-389,016,359.56-158,137,391.44

Finding the Fourth Proportional to 281,899,371.52, 389,016,359.56 and 158,137,391.44

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Solution

The fourth proportional to 281,899,371.52, 389,016,359.56 and 158,137,391.44 is: 218,226,922.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,899,371.52 : 389,016,359.56 = 158,137,391.44 : x
  2. Step 2: Convert to fraction form
    281,899,371.52/389,016,359.56 = 158,137,391.44/x
  3. Step 3: Cross multiply
    281,899,371.52x = 389,016,359.56 × 158,137,391.44
  4. Step 4: Simplify right side
    281,899,371.52x = 61,518,032,326,797,288
  5. Step 5: Solve for x
    x = 61,518,032,326,797,288/281,899,371.52
  6. Step 6: Final answer
    x = 218,226,922.59

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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.