Home / 168,785,109.70-253,177,664.55-153,164,680.90

Finding the Fourth Proportional to 168,785,109.70, 253,177,664.55 and 153,164,680.90

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Solution

The fourth proportional to 168,785,109.70, 253,177,664.55 and 153,164,680.90 is: 229,747,021.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,785,109.70 : 253,177,664.55 = 153,164,680.90 : x
  2. Step 2: Convert to fraction form
    168,785,109.70/253,177,664.55 = 153,164,680.90/x
  3. Step 3: Cross multiply
    168,785,109.70x = 253,177,664.55 × 153,164,680.90
  4. Step 4: Simplify right side
    168,785,109.70x = 38,777,876,201,807,992
  5. Step 5: Solve for x
    x = 38,777,876,201,807,992/168,785,109.70
  6. Step 6: Final answer
    x = 229,747,021.35

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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.