Home / 279,936,029.10-419,904,043.65-159,003,677.10

Finding the Fourth Proportional to 279,936,029.10, 419,904,043.65 and 159,003,677.10

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Solution

The fourth proportional to 279,936,029.10, 419,904,043.65 and 159,003,677.10 is: 238,505,515.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,029.10 : 419,904,043.65 = 159,003,677.10 : x
  2. Step 2: Convert to fraction form
    279,936,029.10/419,904,043.65 = 159,003,677.10/x
  3. Step 3: Cross multiply
    279,936,029.10x = 419,904,043.65 × 159,003,677.10
  4. Step 4: Simplify right side
    279,936,029.10x = 66,766,286,969,508,896
  5. Step 5: Solve for x
    x = 66,766,286,969,508,896/279,936,029.10
  6. Step 6: Final answer
    x = 238,505,515.65

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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.