Home / 371,567,197.38-557,568,131.51-138,558,883.83

Finding the Fourth Proportional to 371,567,197.38, 557,568,131.51 and 138,558,883.83

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Solution

The fourth proportional to 371,567,197.38, 557,568,131.51 and 138,558,883.83 is: 207,919,370.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,567,197.38 : 557,568,131.51 = 138,558,883.83 : x
  2. Step 2: Convert to fraction form
    371,567,197.38/557,568,131.51 = 138,558,883.83/x
  3. Step 3: Cross multiply
    371,567,197.38x = 557,568,131.51 × 138,558,883.83
  4. Step 4: Simplify right side
    371,567,197.38x = 77,256,017,961,204,256
  5. Step 5: Solve for x
    x = 77,256,017,961,204,256/371,567,197.38
  6. Step 6: Final answer
    x = 207,919,370.99

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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.