Home / 50,122,340.33-75,164,614.20-20,978,198.88

Finding the Fourth Proportional to 50,122,340.33, 75,164,614.20 and 20,978,198.88

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Solution

The fourth proportional to 50,122,340.33, 75,164,614.20 and 20,978,198.88 is: 31,459,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,122,340.33 : 75,164,614.20 = 20,978,198.88 : x
  2. Step 2: Convert to fraction form
    50,122,340.33/75,164,614.20 = 20,978,198.88/x
  3. Step 3: Cross multiply
    50,122,340.33x = 75,164,614.20 × 20,978,198.88
  4. Step 4: Simplify right side
    50,122,340.33x = 1,576,818,225,778,444
  5. Step 5: Solve for x
    x = 1,576,818,225,778,444/50,122,340.33
  6. Step 6: Final answer
    x = 31,459,389.48

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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.