Home / 43,179,167.72-64,728,893.66-21,594,987.24

Finding the Fourth Proportional to 43,179,167.72, 64,728,893.66 and 21,594,987.24

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Solution

The fourth proportional to 43,179,167.72, 64,728,893.66 and 21,594,987.24 is: 32,372,546.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,179,167.72 : 64,728,893.66 = 21,594,987.24 : x
  2. Step 2: Convert to fraction form
    43,179,167.72/64,728,893.66 = 21,594,987.24/x
  3. Step 3: Cross multiply
    43,179,167.72x = 64,728,893.66 × 21,594,987.24
  4. Step 4: Simplify right side
    43,179,167.72x = 1,397,819,632,647,016.75
  5. Step 5: Solve for x
    x = 1,397,819,632,647,016.75/43,179,167.72
  6. Step 6: Final answer
    x = 32,372,546.91

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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.