Home / 168,435,029.70-252,652,544.55-143,776,167.30

Finding the Fourth Proportional to 168,435,029.70, 252,652,544.55 and 143,776,167.30

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Solution

The fourth proportional to 168,435,029.70, 252,652,544.55 and 143,776,167.30 is: 215,664,250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,435,029.70 : 252,652,544.55 = 143,776,167.30 : x
  2. Step 2: Convert to fraction form
    168,435,029.70/252,652,544.55 = 143,776,167.30/x
  3. Step 3: Cross multiply
    168,435,029.70x = 252,652,544.55 × 143,776,167.30
  4. Step 4: Simplify right side
    168,435,029.70x = 36,325,414,513,991,504
  5. Step 5: Solve for x
    x = 36,325,414,513,991,504/168,435,029.70
  6. Step 6: Final answer
    x = 215,664,250.95

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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.