Home / 202,146,348.11-278,961,958.22-109,326,855.95

Finding the Fourth Proportional to 202,146,348.11, 278,961,958.22 and 109,326,855.95

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Solution

The fourth proportional to 202,146,348.11, 278,961,958.22 and 109,326,855.95 is: 150,871,060.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,146,348.11 : 278,961,958.22 = 109,326,855.95 : x
  2. Step 2: Convert to fraction form
    202,146,348.11/278,961,958.22 = 109,326,855.95/x
  3. Step 3: Cross multiply
    202,146,348.11x = 278,961,958.22 × 109,326,855.95
  4. Step 4: Simplify right side
    202,146,348.11x = 30,498,033,819,906,408
  5. Step 5: Solve for x
    x = 30,498,033,819,906,408/202,146,348.11
  6. Step 6: Final answer
    x = 150,871,060.03

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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.