Home / 82,515,602.34-113,874,604.11-49,481,229.78

Finding the Fourth Proportional to 82,515,602.34, 113,874,604.11 and 49,481,229.78

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Solution

The fourth proportional to 82,515,602.34, 113,874,604.11 and 49,481,229.78 is: 68,285,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,515,602.34 : 113,874,604.11 = 49,481,229.78 : x
  2. Step 2: Convert to fraction form
    82,515,602.34/113,874,604.11 = 49,481,229.78/x
  3. Step 3: Cross multiply
    82,515,602.34x = 113,874,604.11 × 49,481,229.78
  4. Step 4: Simplify right side
    82,515,602.34x = 5,634,655,452,073,443
  5. Step 5: Solve for x
    x = 5,634,655,452,073,443/82,515,602.34
  6. Step 6: Final answer
    x = 68,285,939.78

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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.