Home / 113,393,666.88-156,491,125.07-68,741,520.96

Finding the Fourth Proportional to 113,393,666.88, 156,491,125.07 and 68,741,520.96

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Solution

The fourth proportional to 113,393,666.88, 156,491,125.07 and 68,741,520.96 is: 94,868,066.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,393,666.88 : 156,491,125.07 = 68,741,520.96 : x
  2. Step 2: Convert to fraction form
    113,393,666.88/156,491,125.07 = 68,741,520.96/x
  3. Step 3: Cross multiply
    113,393,666.88x = 156,491,125.07 × 68,741,520.96
  4. Step 4: Simplify right side
    113,393,666.88x = 10,757,437,954,225,238
  5. Step 5: Solve for x
    x = 10,757,437,954,225,238/113,393,666.88
  6. Step 6: Final answer
    x = 94,868,066.71

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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.