Home / 203,185,080.52-280,418,671.97-113,901,139.38

Finding the Fourth Proportional to 203,185,080.52, 280,418,671.97 and 113,901,139.38

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Solution

The fourth proportional to 203,185,080.52, 280,418,671.97 and 113,901,139.38 is: 157,196,611.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,185,080.52 : 280,418,671.97 = 113,901,139.38 : x
  2. Step 2: Convert to fraction form
    203,185,080.52/280,418,671.97 = 113,901,139.38/x
  3. Step 3: Cross multiply
    203,185,080.52x = 280,418,671.97 × 113,901,139.38
  4. Step 4: Simplify right side
    203,185,080.52x = 31,940,006,238,837,868
  5. Step 5: Solve for x
    x = 31,940,006,238,837,868/203,185,080.52
  6. Step 6: Final answer
    x = 157,196,611.87

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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.