Home / 69,907,961.66-104,858,138.18-21,385,815.48

Finding the Fourth Proportional to 69,907,961.66, 104,858,138.18 and 21,385,815.48

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Solution

The fourth proportional to 69,907,961.66, 104,858,138.18 and 21,385,815.48 is: 32,077,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,907,961.66 : 104,858,138.18 = 21,385,815.48 : x
  2. Step 2: Convert to fraction form
    69,907,961.66/104,858,138.18 = 21,385,815.48/x
  3. Step 3: Cross multiply
    69,907,961.66x = 104,858,138.18 × 21,385,815.48
  4. Step 4: Simplify right side
    69,907,961.66x = 2,242,476,794,747,287.75
  5. Step 5: Solve for x
    x = 2,242,476,794,747,287.75/69,907,961.66
  6. Step 6: Final answer
    x = 32,077,559.43

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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.