Home / 57,507,623.72-86,245,723.92-20,612,636.92

Finding the Fourth Proportional to 57,507,623.72, 86,245,723.92 and 20,612,636.92

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Solution

The fourth proportional to 57,507,623.72, 86,245,723.92 and 20,612,636.92 is: 30,913,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,507,623.72 : 86,245,723.92 = 20,612,636.92 : x
  2. Step 2: Convert to fraction form
    57,507,623.72/86,245,723.92 = 20,612,636.92/x
  3. Step 3: Cross multiply
    57,507,623.72x = 86,245,723.92 × 20,612,636.92
  4. Step 4: Simplify right side
    57,507,623.72x = 1,777,751,793,065,519.25
  5. Step 5: Solve for x
    x = 1,777,751,793,065,519.25/57,507,623.72
  6. Step 6: Final answer
    x = 30,913,323.80

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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.