Home / 212,324,708.70-292,857,163.74-141,724,723.50

Finding the Fourth Proportional to 212,324,708.70, 292,857,163.74 and 141,724,723.50

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Solution

The fourth proportional to 212,324,708.70, 292,857,163.74 and 141,724,723.50 is: 195,479,371.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,324,708.70 : 292,857,163.74 = 141,724,723.50 : x
  2. Step 2: Convert to fraction form
    212,324,708.70/292,857,163.74 = 141,724,723.50/x
  3. Step 3: Cross multiply
    212,324,708.70x = 292,857,163.74 × 141,724,723.50
  4. Step 4: Simplify right side
    212,324,708.70x = 41,505,100,556,045,728
  5. Step 5: Solve for x
    x = 41,505,100,556,045,728/212,324,708.70
  6. Step 6: Final answer
    x = 195,479,371.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.