Home / 168,525,249.72-252,716,096.34-66,217,520.76

Finding the Fourth Proportional to 168,525,249.72, 252,716,096.34 and 66,217,520.76

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Solution

The fourth proportional to 168,525,249.72, 252,716,096.34 and 66,217,520.76 is: 99,298,077.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,525,249.72 : 252,716,096.34 = 66,217,520.76 : x
  2. Step 2: Convert to fraction form
    168,525,249.72/252,716,096.34 = 66,217,520.76/x
  3. Step 3: Cross multiply
    168,525,249.72x = 252,716,096.34 × 66,217,520.76
  4. Step 4: Simplify right side
    168,525,249.72x = 16,734,233,355,780,110
  5. Step 5: Solve for x
    x = 16,734,233,355,780,110/168,525,249.72
  6. Step 6: Final answer
    x = 99,298,077.79

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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.