Home / 167,945,418.80-251,918,128.20-158,379,480.80

Finding the Fourth Proportional to 167,945,418.80, 251,918,128.20 and 158,379,480.80

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Solution

The fourth proportional to 167,945,418.80, 251,918,128.20 and 158,379,480.80 is: 237,569,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,945,418.80 : 251,918,128.20 = 158,379,480.80 : x
  2. Step 2: Convert to fraction form
    167,945,418.80/251,918,128.20 = 158,379,480.80/x
  3. Step 3: Cross multiply
    167,945,418.80x = 251,918,128.20 × 158,379,480.80
  4. Step 4: Simplify right side
    167,945,418.80x = 39,898,662,348,423,840
  5. Step 5: Solve for x
    x = 39,898,662,348,423,840/167,945,418.80
  6. Step 6: Final answer
    x = 237,569,221.20

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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.