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Finding the Fourth Proportional to 43,957,804.97, 65,923,212.23 and 30,398,087.85

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Solution

The fourth proportional to 43,957,804.97, 65,923,212.23 and 30,398,087.85 is: 45,587,799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,957,804.97 : 65,923,212.23 = 30,398,087.85 : x
  2. Step 2: Convert to fraction form
    43,957,804.97/65,923,212.23 = 30,398,087.85/x
  3. Step 3: Cross multiply
    43,957,804.97x = 65,923,212.23 × 30,398,087.85
  4. Step 4: Simplify right side
    43,957,804.97x = 2,003,939,596,797,729.75
  5. Step 5: Solve for x
    x = 2,003,939,596,797,729.75/43,957,804.97
  6. Step 6: Final answer
    x = 45,587,799.45

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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.