Home / 47,278,858.80-70,863,175.80-21,722,451.60

Finding the Fourth Proportional to 47,278,858.80, 70,863,175.80 and 21,722,451.60

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Solution

The fourth proportional to 47,278,858.80, 70,863,175.80 and 21,722,451.60 is: 32,558,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,278,858.80 : 70,863,175.80 = 21,722,451.60 : x
  2. Step 2: Convert to fraction form
    47,278,858.80/70,863,175.80 = 21,722,451.60/x
  3. Step 3: Cross multiply
    47,278,858.80x = 70,863,175.80 × 21,722,451.60
  4. Step 4: Simplify right side
    47,278,858.80x = 1,539,321,906,537,791.25
  5. Step 5: Solve for x
    x = 1,539,321,906,537,791.25/47,278,858.80
  6. Step 6: Final answer
    x = 32,558,355.80

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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.