Home / 68,379,213.60-102,481,729.20-27,944,013.60

Finding the Fourth Proportional to 68,379,213.60, 102,481,729.20 and 27,944,013.60

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Solution

The fourth proportional to 68,379,213.60, 102,481,729.20 and 27,944,013.60 is: 41,880,429.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,379,213.60 : 102,481,729.20 = 27,944,013.60 : x
  2. Step 2: Convert to fraction form
    68,379,213.60/102,481,729.20 = 27,944,013.60/x
  3. Step 3: Cross multiply
    68,379,213.60x = 102,481,729.20 × 27,944,013.60
  4. Step 4: Simplify right side
    68,379,213.60x = 2,863,750,834,516,317.50
  5. Step 5: Solve for x
    x = 2,863,750,834,516,317.50/68,379,213.60
  6. Step 6: Final answer
    x = 41,880,429.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.