Home / 209,765,884.86-289,385,087.97-200,040,514.50

Finding the Fourth Proportional to 209,765,884.86, 289,385,087.97 and 200,040,514.50

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Solution

The fourth proportional to 209,765,884.86, 289,385,087.97 and 200,040,514.50 is: 275,968,334.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,765,884.86 : 289,385,087.97 = 200,040,514.50 : x
  2. Step 2: Convert to fraction form
    209,765,884.86/289,385,087.97 = 200,040,514.50/x
  3. Step 3: Cross multiply
    209,765,884.86x = 289,385,087.97 × 200,040,514.50
  4. Step 4: Simplify right side
    209,765,884.86x = 57,888,741,886,146,568
  5. Step 5: Solve for x
    x = 57,888,741,886,146,568/209,765,884.86
  6. Step 6: Final answer
    x = 275,968,334.53

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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.