Home / 82,377,340.20-123,566,010.30-20,966,380.20

Finding the Fourth Proportional to 82,377,340.20, 123,566,010.30 and 20,966,380.20

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Solution

The fourth proportional to 82,377,340.20, 123,566,010.30 and 20,966,380.20 is: 31,449,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,377,340.20 : 123,566,010.30 = 20,966,380.20 : x
  2. Step 2: Convert to fraction form
    82,377,340.20/123,566,010.30 = 20,966,380.20/x
  3. Step 3: Cross multiply
    82,377,340.20x = 123,566,010.30 × 20,966,380.20
  4. Step 4: Simplify right side
    82,377,340.20x = 2,590,731,951,746,916
  5. Step 5: Solve for x
    x = 2,590,731,951,746,916/82,377,340.20
  6. Step 6: Final answer
    x = 31,449,570.30

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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.