Home / 113,393,669.13-156,491,128.19-68,741,523.21

Finding the Fourth Proportional to 113,393,669.13, 156,491,128.19 and 68,741,523.21

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Solution

The fourth proportional to 113,393,669.13, 156,491,128.19 and 68,741,523.21 is: 94,868,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,393,669.13 : 156,491,128.19 = 68,741,523.21 : x
  2. Step 2: Convert to fraction form
    113,393,669.13/156,491,128.19 = 68,741,523.21/x
  3. Step 3: Cross multiply
    113,393,669.13x = 156,491,128.19 × 68,741,523.21
  4. Step 4: Simplify right side
    113,393,669.13x = 10,757,438,520,288,262
  5. Step 5: Solve for x
    x = 10,757,438,520,288,262/113,393,669.13
  6. Step 6: Final answer
    x = 94,868,069.82

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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.