Home / 230,640,587.43-318,283,804.44-130,190,169.21

Finding the Fourth Proportional to 230,640,587.43, 318,283,804.44 and 130,190,169.21

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Solution

The fourth proportional to 230,640,587.43, 318,283,804.44 and 130,190,169.21 is: 179,662,317.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,640,587.43 : 318,283,804.44 = 130,190,169.21 : x
  2. Step 2: Convert to fraction form
    230,640,587.43/318,283,804.44 = 130,190,169.21/x
  3. Step 3: Cross multiply
    230,640,587.43x = 318,283,804.44 × 130,190,169.21
  4. Step 4: Simplify right side
    230,640,587.43x = 41,437,422,356,846,144
  5. Step 5: Solve for x
    x = 41,437,422,356,846,144/230,640,587.43
  6. Step 6: Final answer
    x = 179,662,317.11

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Why These Related Problems?

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