Home / 371,567,198.88-557,568,133.76-138,558,885.33

Finding the Fourth Proportional to 371,567,198.88, 557,568,133.76 and 138,558,885.33

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Solution

The fourth proportional to 371,567,198.88, 557,568,133.76 and 138,558,885.33 is: 207,919,373.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,567,198.88 : 557,568,133.76 = 138,558,885.33 : x
  2. Step 2: Convert to fraction form
    371,567,198.88/557,568,133.76 = 138,558,885.33/x
  3. Step 3: Cross multiply
    371,567,198.88x = 557,568,133.76 × 138,558,885.33
  4. Step 4: Simplify right side
    371,567,198.88x = 77,256,019,109,313,952
  5. Step 5: Solve for x
    x = 77,256,019,109,313,952/371,567,198.88
  6. Step 6: Final answer
    x = 207,919,373.24

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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.