Home / 82,327,989.70-123,491,984.55-21,743,715.70

Finding the Fourth Proportional to 82,327,989.70, 123,491,984.55 and 21,743,715.70

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Solution

The fourth proportional to 82,327,989.70, 123,491,984.55 and 21,743,715.70 is: 32,615,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,327,989.70 : 123,491,984.55 = 21,743,715.70 : x
  2. Step 2: Convert to fraction form
    82,327,989.70/123,491,984.55 = 21,743,715.70/x
  3. Step 3: Cross multiply
    82,327,989.70x = 123,491,984.55 × 21,743,715.70
  4. Step 4: Simplify right side
    82,327,989.70x = 2,685,174,603,283,992.50
  5. Step 5: Solve for x
    x = 2,685,174,603,283,992.50/82,327,989.70
  6. Step 6: Final answer
    x = 32,615,573.55

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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.