Home / 190,451,469.06-262,825,750.94-142,682,082.86

Finding the Fourth Proportional to 190,451,469.06, 262,825,750.94 and 142,682,082.86

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Solution

The fourth proportional to 190,451,469.06, 262,825,750.94 and 142,682,082.86 is: 196,903,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,451,469.06 : 262,825,750.94 = 142,682,082.86 : x
  2. Step 2: Convert to fraction form
    190,451,469.06/262,825,750.94 = 142,682,082.86/x
  3. Step 3: Cross multiply
    190,451,469.06x = 262,825,750.94 × 142,682,082.86
  4. Step 4: Simplify right side
    190,451,469.06x = 37,500,525,571,335,264
  5. Step 5: Solve for x
    x = 37,500,525,571,335,264/190,451,469.06
  6. Step 6: Final answer
    x = 196,903,314.83

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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.