Home / 53,081,520.72-79,469,540.96-47,542,637.04

Finding the Fourth Proportional to 53,081,520.72, 79,469,540.96 and 47,542,637.04

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Solution

The fourth proportional to 53,081,520.72, 79,469,540.96 and 47,542,637.04 is: 71,177,153.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,081,520.72 : 79,469,540.96 = 47,542,637.04 : x
  2. Step 2: Convert to fraction form
    53,081,520.72/79,469,540.96 = 47,542,637.04/x
  3. Step 3: Cross multiply
    53,081,520.72x = 79,469,540.96 × 47,542,637.04
  4. Step 4: Simplify right side
    53,081,520.72x = 3,778,191,541,596,693
  5. Step 5: Solve for x
    x = 3,778,191,541,596,693/53,081,520.72
  6. Step 6: Final answer
    x = 71,177,153.37

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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.