Home / 168,435,163.20-252,652,744.80-143,776,300.80

Finding the Fourth Proportional to 168,435,163.20, 252,652,744.80 and 143,776,300.80

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Solution

The fourth proportional to 168,435,163.20, 252,652,744.80 and 143,776,300.80 is: 215,664,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,435,163.20 : 252,652,744.80 = 143,776,300.80 : x
  2. Step 2: Convert to fraction form
    168,435,163.20/252,652,744.80 = 143,776,300.80/x
  3. Step 3: Cross multiply
    168,435,163.20x = 252,652,744.80 × 143,776,300.80
  4. Step 4: Simplify right side
    168,435,163.20x = 36,325,477,034,310,440
  5. Step 5: Solve for x
    x = 36,325,477,034,310,440/168,435,163.20
  6. Step 6: Final answer
    x = 215,664,451.20

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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.