Home / 279,588,857.10-419,383,285.65-158,656,505.10

Finding the Fourth Proportional to 279,588,857.10, 419,383,285.65 and 158,656,505.10

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Solution

The fourth proportional to 279,588,857.10, 419,383,285.65 and 158,656,505.10 is: 237,984,757.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,588,857.10 : 419,383,285.65 = 158,656,505.10 : x
  2. Step 2: Convert to fraction form
    279,588,857.10/419,383,285.65 = 158,656,505.10/x
  3. Step 3: Cross multiply
    279,588,857.10x = 419,383,285.65 × 158,656,505.10
  4. Step 4: Simplify right side
    279,588,857.10x = 66,537,886,398,583,976
  5. Step 5: Solve for x
    x = 66,537,886,398,583,976/279,588,857.10
  6. Step 6: Final answer
    x = 237,984,757.65

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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.