Home / 230,640,588.43-318,283,805.82-130,190,170.21

Finding the Fourth Proportional to 230,640,588.43, 318,283,805.82 and 130,190,170.21

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Solution

The fourth proportional to 230,640,588.43, 318,283,805.82 and 130,190,170.21 is: 179,662,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,640,588.43 : 318,283,805.82 = 130,190,170.21 : x
  2. Step 2: Convert to fraction form
    230,640,588.43/318,283,805.82 = 130,190,170.21/x
  3. Step 3: Cross multiply
    230,640,588.43x = 318,283,805.82 × 130,190,170.21
  4. Step 4: Simplify right side
    230,640,588.43x = 41,437,422,854,792,384
  5. Step 5: Solve for x
    x = 41,437,422,854,792,384/230,640,588.43
  6. Step 6: Final answer
    x = 179,662,318.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.