Home / 371,567,191.25-557,568,122.33-138,558,877.71

Finding the Fourth Proportional to 371,567,191.25, 557,568,122.33 and 138,558,877.71

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Solution

The fourth proportional to 371,567,191.25, 557,568,122.33 and 138,558,877.71 is: 207,919,361.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,567,191.25 : 557,568,122.33 = 138,558,877.71 : x
  2. Step 2: Convert to fraction form
    371,567,191.25/557,568,122.33 = 138,558,877.71/x
  3. Step 3: Cross multiply
    371,567,191.25x = 557,568,122.33 × 138,558,877.71
  4. Step 4: Simplify right side
    371,567,191.25x = 77,256,013,273,436,176
  5. Step 5: Solve for x
    x = 77,256,013,273,436,176/371,567,191.25
  6. Step 6: Final answer
    x = 207,919,361.81

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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.