Home / 379,093,810.88-568,640,716.32-91,879,474.88

Finding the Fourth Proportional to 379,093,810.88, 568,640,716.32 and 91,879,474.88

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Solution

The fourth proportional to 379,093,810.88, 568,640,716.32 and 91,879,474.88 is: 137,819,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,093,810.88 : 568,640,716.32 = 91,879,474.88 : x
  2. Step 2: Convert to fraction form
    379,093,810.88/568,640,716.32 = 91,879,474.88/x
  3. Step 3: Cross multiply
    379,093,810.88x = 568,640,716.32 × 91,879,474.88
  4. Step 4: Simplify right side
    379,093,810.88x = 52,246,410,410,868,648
  5. Step 5: Solve for x
    x = 52,246,410,410,868,648/379,093,810.88
  6. Step 6: Final answer
    x = 137,819,212.32

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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.