Home / 54,391,999.20-81,587,998.80-51,200,728.80

Finding the Fourth Proportional to 54,391,999.20, 81,587,998.80 and 51,200,728.80

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Solution

The fourth proportional to 54,391,999.20, 81,587,998.80 and 51,200,728.80 is: 76,801,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,391,999.20 : 81,587,998.80 = 51,200,728.80 : x
  2. Step 2: Convert to fraction form
    54,391,999.20/81,587,998.80 = 51,200,728.80/x
  3. Step 3: Cross multiply
    54,391,999.20x = 81,587,998.80 × 51,200,728.80
  4. Step 4: Simplify right side
    54,391,999.20x = 4,177,364,999,893,525
  5. Step 5: Solve for x
    x = 4,177,364,999,893,525/54,391,999.20
  6. Step 6: Final answer
    x = 76,801,093.20

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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.