Home / 69,682,726.11-104,524,255.17-21,160,944.78

Finding the Fourth Proportional to 69,682,726.11, 104,524,255.17 and 21,160,944.78

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Solution

The fourth proportional to 69,682,726.11, 104,524,255.17 and 21,160,944.78 is: 31,741,467.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,682,726.11 : 104,524,255.17 = 21,160,944.78 : x
  2. Step 2: Convert to fraction form
    69,682,726.11/104,524,255.17 = 21,160,944.78/x
  3. Step 3: Cross multiply
    69,682,726.11x = 104,524,255.17 × 21,160,944.78
  4. Step 4: Simplify right side
    69,682,726.11x = 2,211,831,991,822,999.75
  5. Step 5: Solve for x
    x = 2,211,831,991,822,999.75/69,682,726.11
  6. Step 6: Final answer
    x = 31,741,467.58

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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.