Home / 92,687,410.80-139,055,999.40-82,659,481.20

Finding the Fourth Proportional to 92,687,410.80, 139,055,999.40 and 82,659,481.20

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Solution

The fourth proportional to 92,687,410.80, 139,055,999.40 and 82,659,481.20 is: 124,011,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,687,410.80 : 139,055,999.40 = 82,659,481.20 : x
  2. Step 2: Convert to fraction form
    92,687,410.80/139,055,999.40 = 82,659,481.20/x
  3. Step 3: Cross multiply
    92,687,410.80x = 139,055,999.40 × 82,659,481.20
  4. Step 4: Simplify right side
    92,687,410.80x = 11,494,296,768,151,512
  5. Step 5: Solve for x
    x = 11,494,296,768,151,512/92,687,410.80
  6. Step 6: Final answer
    x = 124,011,412.87

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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.