Home / 371,567,190.91-557,568,121.82-138,558,877.36

Finding the Fourth Proportional to 371,567,190.91, 557,568,121.82 and 138,558,877.36

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Solution

The fourth proportional to 371,567,190.91, 557,568,121.82 and 138,558,877.36 is: 207,919,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,567,190.91 : 557,568,121.82 = 138,558,877.36 : x
  2. Step 2: Convert to fraction form
    371,567,190.91/557,568,121.82 = 138,558,877.36/x
  3. Step 3: Cross multiply
    371,567,190.91x = 557,568,121.82 × 138,558,877.36
  4. Step 4: Simplify right side
    371,567,190.91x = 77,256,013,012,344,592
  5. Step 5: Solve for x
    x = 77,256,013,012,344,592/371,567,190.91
  6. Step 6: Final answer
    x = 207,919,361.30

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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.