Home / 139,491,286.40-192,524,625.60-92,365,239.04

Finding the Fourth Proportional to 139,491,286.40, 192,524,625.60 and 92,365,239.04

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Solution

The fourth proportional to 139,491,286.40, 192,524,625.60 and 92,365,239.04 is: 127,481,676.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,491,286.40 : 192,524,625.60 = 92,365,239.04 : x
  2. Step 2: Convert to fraction form
    139,491,286.40/192,524,625.60 = 92,365,239.04/x
  3. Step 3: Cross multiply
    139,491,286.40x = 192,524,625.60 × 92,365,239.04
  4. Step 4: Simplify right side
    139,491,286.40x = 17,782,583,064,630,504
  5. Step 5: Solve for x
    x = 17,782,583,064,630,504/139,491,286.40
  6. Step 6: Final answer
    x = 127,481,676.62

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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.