Home / 225,667,653.90-311,289,420.90-141,903,213.81

Finding the Fourth Proportional to 225,667,653.90, 311,289,420.90 and 141,903,213.81

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Solution

The fourth proportional to 225,667,653.90, 311,289,420.90 and 141,903,213.81 is: 195,743,468.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,667,653.90 : 311,289,420.90 = 141,903,213.81 : x
  2. Step 2: Convert to fraction form
    225,667,653.90/311,289,420.90 = 141,903,213.81/x
  3. Step 3: Cross multiply
    225,667,653.90x = 311,289,420.90 × 141,903,213.81
  4. Step 4: Simplify right side
    225,667,653.90x = 44,172,969,250,763,776
  5. Step 5: Solve for x
    x = 44,172,969,250,763,776/225,667,653.90
  6. Step 6: Final answer
    x = 195,743,468.27

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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.