Home / 53,081,548.80-79,469,582.88-47,542,665.12

Finding the Fourth Proportional to 53,081,548.80, 79,469,582.88 and 47,542,665.12

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Solution

The fourth proportional to 53,081,548.80, 79,469,582.88 and 47,542,665.12 is: 71,177,195.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,081,548.80 : 79,469,582.88 = 47,542,665.12 : x
  2. Step 2: Convert to fraction form
    53,081,548.80/79,469,582.88 = 47,542,665.12/x
  3. Step 3: Cross multiply
    53,081,548.80x = 79,469,582.88 × 47,542,665.12
  4. Step 4: Simplify right side
    53,081,548.80x = 3,778,195,766,089,924.50
  5. Step 5: Solve for x
    x = 3,778,195,766,089,924.50/53,081,548.80
  6. Step 6: Final answer
    x = 71,177,195.31

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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.