Home / 269,480,907.40-404,410,317.90-172,672,040.20

Finding the Fourth Proportional to 269,480,907.40, 404,410,317.90 and 172,672,040.20

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Solution

The fourth proportional to 269,480,907.40, 404,410,317.90 and 172,672,040.20 is: 259,129,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,480,907.40 : 404,410,317.90 = 172,672,040.20 : x
  2. Step 2: Convert to fraction form
    269,480,907.40/404,410,317.90 = 172,672,040.20/x
  3. Step 3: Cross multiply
    269,480,907.40x = 404,410,317.90 × 172,672,040.20
  4. Step 4: Simplify right side
    269,480,907.40x = 69,830,354,669,723,568
  5. Step 5: Solve for x
    x = 69,830,354,669,723,568/269,480,907.40
  6. Step 6: Final answer
    x = 259,129,135.88

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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.