Home / 200,815,163.40-301,222,745.10-192,312,107.40

Finding the Fourth Proportional to 200,815,163.40, 301,222,745.10 and 192,312,107.40

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Solution

The fourth proportional to 200,815,163.40, 301,222,745.10 and 192,312,107.40 is: 288,468,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,815,163.40 : 301,222,745.10 = 192,312,107.40 : x
  2. Step 2: Convert to fraction form
    200,815,163.40/301,222,745.10 = 192,312,107.40/x
  3. Step 3: Cross multiply
    200,815,163.40x = 301,222,745.10 × 192,312,107.40
  4. Step 4: Simplify right side
    200,815,163.40x = 57,928,780,906,994,032
  5. Step 5: Solve for x
    x = 57,928,780,906,994,032/200,815,163.40
  6. Step 6: Final answer
    x = 288,468,161.10

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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.