Home / 217,284,542.22-299,800,181.43-137,870,648.70

Finding the Fourth Proportional to 217,284,542.22, 299,800,181.43 and 137,870,648.70

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Solution

The fourth proportional to 217,284,542.22, 299,800,181.43 and 137,870,648.70 is: 190,228,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,284,542.22 : 299,800,181.43 = 137,870,648.70 : x
  2. Step 2: Convert to fraction form
    217,284,542.22/299,800,181.43 = 137,870,648.70/x
  3. Step 3: Cross multiply
    217,284,542.22x = 299,800,181.43 × 137,870,648.70
  4. Step 4: Simplify right side
    217,284,542.22x = 41,333,645,494,131,792
  5. Step 5: Solve for x
    x = 41,333,645,494,131,792/217,284,542.22
  6. Step 6: Final answer
    x = 190,228,191.44

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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.