Home / 57,222,408.24-78,969,000-32,780,846.16

Finding the Fourth Proportional to 57,222,408.24, 78,969,000 and 32,780,846.16

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Solution

The fourth proportional to 57,222,408.24, 78,969,000 and 32,780,846.16 is: 45,238,757.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,222,408.24 : 78,969,000 = 32,780,846.16 : x
  2. Step 2: Convert to fraction form
    57,222,408.24/78,969,000 = 32,780,846.16/x
  3. Step 3: Cross multiply
    57,222,408.24x = 78,969,000 × 32,780,846.16
  4. Step 4: Simplify right side
    57,222,408.24x = 2,588,670,640,409,040
  5. Step 5: Solve for x
    x = 2,588,670,640,409,040/57,222,408.24
  6. Step 6: Final answer
    x = 45,238,757.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.