Home / 203,185,081.02-280,418,672.66-113,901,139.87

Finding the Fourth Proportional to 203,185,081.02, 280,418,672.66 and 113,901,139.87

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Solution

The fourth proportional to 203,185,081.02, 280,418,672.66 and 113,901,139.87 is: 157,196,612.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,185,081.02 : 280,418,672.66 = 113,901,139.87 : x
  2. Step 2: Convert to fraction form
    203,185,081.02/280,418,672.66 = 113,901,139.87/x
  3. Step 3: Cross multiply
    203,185,081.02x = 280,418,672.66 × 113,901,139.87
  4. Step 4: Simplify right side
    203,185,081.02x = 31,940,006,456,806,408
  5. Step 5: Solve for x
    x = 31,940,006,456,806,408/203,185,081.02
  6. Step 6: Final answer
    x = 157,196,612.55

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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.