Home / 53,945,999.20-80,918,998.80-49,003,597.90

Finding the Fourth Proportional to 53,945,999.20, 80,918,998.80 and 49,003,597.90

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Solution

The fourth proportional to 53,945,999.20, 80,918,998.80 and 49,003,597.90 is: 73,505,396.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,945,999.20 : 80,918,998.80 = 49,003,597.90 : x
  2. Step 2: Convert to fraction form
    53,945,999.20/80,918,998.80 = 49,003,597.90/x
  3. Step 3: Cross multiply
    53,945,999.20x = 80,918,998.80 × 49,003,597.90
  4. Step 4: Simplify right side
    53,945,999.20x = 3,965,322,079,665,782.50
  5. Step 5: Solve for x
    x = 3,965,322,079,665,782.50/53,945,999.20
  6. Step 6: Final answer
    x = 73,505,396.85

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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.