Home / 61,238,734.20-91,858,101.30-55,003,159.80

Finding the Fourth Proportional to 61,238,734.20, 91,858,101.30 and 55,003,159.80

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Solution

The fourth proportional to 61,238,734.20, 91,858,101.30 and 55,003,159.80 is: 82,504,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,238,734.20 : 91,858,101.30 = 55,003,159.80 : x
  2. Step 2: Convert to fraction form
    61,238,734.20/91,858,101.30 = 55,003,159.80/x
  3. Step 3: Cross multiply
    61,238,734.20x = 91,858,101.30 × 55,003,159.80
  4. Step 4: Simplify right side
    61,238,734.20x = 5,052,485,824,728,487
  5. Step 5: Solve for x
    x = 5,052,485,824,728,487/61,238,734.20
  6. Step 6: Final answer
    x = 82,504,739.70

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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.