Home / 69,907,959.41-104,858,134.79-21,385,813.23

Finding the Fourth Proportional to 69,907,959.41, 104,858,134.79 and 21,385,813.23

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Solution

The fourth proportional to 69,907,959.41, 104,858,134.79 and 21,385,813.23 is: 32,077,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,907,959.41 : 104,858,134.79 = 21,385,813.23 : x
  2. Step 2: Convert to fraction form
    69,907,959.41/104,858,134.79 = 21,385,813.23/x
  3. Step 3: Cross multiply
    69,907,959.41x = 104,858,134.79 × 21,385,813.23
  4. Step 4: Simplify right side
    69,907,959.41x = 2,242,476,486,158,176.25
  5. Step 5: Solve for x
    x = 2,242,476,486,158,176.25/69,907,959.41
  6. Step 6: Final answer
    x = 32,077,556.05

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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.