Home / 82,135,890.30-123,195,828.60-21,551,616.30

Finding the Fourth Proportional to 82,135,890.30, 123,195,828.60 and 21,551,616.30

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Solution

The fourth proportional to 82,135,890.30, 123,195,828.60 and 21,551,616.30 is: 32,325,323.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,135,890.30 : 123,195,828.60 = 21,551,616.30 : x
  2. Step 2: Convert to fraction form
    82,135,890.30/123,195,828.60 = 21,551,616.30/x
  3. Step 3: Cross multiply
    82,135,890.30x = 123,195,828.60 × 21,551,616.30
  4. Step 4: Simplify right side
    82,135,890.30x = 2,655,069,227,747,766
  5. Step 5: Solve for x
    x = 2,655,069,227,747,766/82,135,890.30
  6. Step 6: Final answer
    x = 32,325,323.53

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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.