Home / 45,512,235.25-68,268,418.59-18,585,891.25

Finding the Fourth Proportional to 45,512,235.25, 68,268,418.59 and 18,585,891.25

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Solution

The fourth proportional to 45,512,235.25, 68,268,418.59 and 18,585,891.25 is: 27,878,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,512,235.25 : 68,268,418.59 = 18,585,891.25 : x
  2. Step 2: Convert to fraction form
    45,512,235.25/68,268,418.59 = 18,585,891.25/x
  3. Step 3: Cross multiply
    45,512,235.25x = 68,268,418.59 × 18,585,891.25
  4. Step 4: Simplify right side
    45,512,235.25x = 1,268,829,403,723,218.50
  5. Step 5: Solve for x
    x = 1,268,829,403,723,218.50/45,512,235.25
  6. Step 6: Final answer
    x = 27,878,863.71

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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.