Home / 111,218,163.35-166,826,912.11-28,219,755.24

Finding the Fourth Proportional to 111,218,163.35, 166,826,912.11 and 28,219,755.24

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Solution

The fourth proportional to 111,218,163.35, 166,826,912.11 and 28,219,755.24 is: 42,329,548.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,218,163.35 : 166,826,912.11 = 28,219,755.24 : x
  2. Step 2: Convert to fraction form
    111,218,163.35/166,826,912.11 = 28,219,755.24/x
  3. Step 3: Cross multiply
    111,218,163.35x = 166,826,912.11 × 28,219,755.24
  4. Step 4: Simplify right side
    111,218,163.35x = 4,707,814,627,118,642
  5. Step 5: Solve for x
    x = 4,707,814,627,118,642/111,218,163.35
  6. Step 6: Final answer
    x = 42,329,548.39

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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.