Home / 133,059,791.20-199,589,686.80-75,529,832.80

Finding the Fourth Proportional to 133,059,791.20, 199,589,686.80 and 75,529,832.80

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Solution

The fourth proportional to 133,059,791.20, 199,589,686.80 and 75,529,832.80 is: 113,294,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,059,791.20 : 199,589,686.80 = 75,529,832.80 : x
  2. Step 2: Convert to fraction form
    133,059,791.20/199,589,686.80 = 75,529,832.80/x
  3. Step 3: Cross multiply
    133,059,791.20x = 199,589,686.80 × 75,529,832.80
  4. Step 4: Simplify right side
    133,059,791.20x = 15,074,975,672,608,368
  5. Step 5: Solve for x
    x = 15,074,975,672,608,368/133,059,791.20
  6. Step 6: Final answer
    x = 113,294,749.20

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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.