Home / 225,667,861.20-311,289,706.80-141,903,421.20

Finding the Fourth Proportional to 225,667,861.20, 311,289,706.80 and 141,903,421.20

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Solution

The fourth proportional to 225,667,861.20, 311,289,706.80 and 141,903,421.20 is: 195,743,754.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,667,861.20 : 311,289,706.80 = 141,903,421.20 : x
  2. Step 2: Convert to fraction form
    225,667,861.20/311,289,706.80 = 141,903,421.20/x
  3. Step 3: Cross multiply
    225,667,861.20x = 311,289,706.80 × 141,903,421.20
  4. Step 4: Simplify right side
    225,667,861.20x = 44,173,074,379,264,904
  5. Step 5: Solve for x
    x = 44,173,074,379,264,904/225,667,861.20
  6. Step 6: Final answer
    x = 195,743,754.31

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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.