Home / 113,393,665.38-156,491,123.00-68,741,519.46

Finding the Fourth Proportional to 113,393,665.38, 156,491,123.00 and 68,741,519.46

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Solution

The fourth proportional to 113,393,665.38, 156,491,123.00 and 68,741,519.46 is: 94,868,064.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,393,665.38 : 156,491,123.00 = 68,741,519.46 : x
  2. Step 2: Convert to fraction form
    113,393,665.38/156,491,123.00 = 68,741,519.46/x
  3. Step 3: Cross multiply
    113,393,665.38x = 156,491,123.00 × 68,741,519.46
  4. Step 4: Simplify right side
    113,393,665.38x = 10,757,437,577,193,606
  5. Step 5: Solve for x
    x = 10,757,437,577,193,606/113,393,665.38
  6. Step 6: Final answer
    x = 94,868,064.64

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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.