Home / 143,424,391.79-214,691,251.61-77,682,245.96

Finding the Fourth Proportional to 143,424,391.79, 214,691,251.61 and 77,682,245.96

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Solution

The fourth proportional to 143,424,391.79, 214,691,251.61 and 77,682,245.96 is: 116,282,163.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,424,391.79 : 214,691,251.61 = 77,682,245.96 : x
  2. Step 2: Convert to fraction form
    143,424,391.79/214,691,251.61 = 77,682,245.96/x
  3. Step 3: Cross multiply
    143,424,391.79x = 214,691,251.61 × 77,682,245.96
  4. Step 4: Simplify right side
    143,424,391.79x = 16,677,698,613,759,202
  5. Step 5: Solve for x
    x = 16,677,698,613,759,202/143,424,391.79
  6. Step 6: Final answer
    x = 116,282,163.76

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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.