Home / 73,003,515.91-100,744,843.81-39,512,989.25

Finding the Fourth Proportional to 73,003,515.91, 100,744,843.81 and 39,512,989.25

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Solution

The fourth proportional to 73,003,515.91, 100,744,843.81 and 39,512,989.25 is: 54,527,920.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,003,515.91 : 100,744,843.81 = 39,512,989.25 : x
  2. Step 2: Convert to fraction form
    73,003,515.91/100,744,843.81 = 39,512,989.25/x
  3. Step 3: Cross multiply
    73,003,515.91x = 100,744,843.81 × 39,512,989.25
  4. Step 4: Simplify right side
    73,003,515.91x = 3,980,729,930,307,030
  5. Step 5: Solve for x
    x = 3,980,729,930,307,030/73,003,515.91
  6. Step 6: Final answer
    x = 54,527,920.76

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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.