Home / 69,483,178.62-104,225,516.37-20,961,452.97

Finding the Fourth Proportional to 69,483,178.62, 104,225,516.37 and 20,961,452.97

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Solution

The fourth proportional to 69,483,178.62, 104,225,516.37 and 20,961,452.97 is: 31,442,405.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,483,178.62 : 104,225,516.37 = 20,961,452.97 : x
  2. Step 2: Convert to fraction form
    69,483,178.62/104,225,516.37 = 20,961,452.97/x
  3. Step 3: Cross multiply
    69,483,178.62x = 104,225,516.37 × 20,961,452.97
  4. Step 4: Simplify right side
    69,483,178.62x = 2,184,718,259,663,720
  5. Step 5: Solve for x
    x = 2,184,718,259,663,720/69,483,178.62
  6. Step 6: Final answer
    x = 31,442,405.24

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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.