Home / 226,051,999.80-339,077,999.70-80,649,742.20

Finding the Fourth Proportional to 226,051,999.80, 339,077,999.70 and 80,649,742.20

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Solution

The fourth proportional to 226,051,999.80, 339,077,999.70 and 80,649,742.20 is: 120,974,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,051,999.80 : 339,077,999.70 = 80,649,742.20 : x
  2. Step 2: Convert to fraction form
    226,051,999.80/339,077,999.70 = 80,649,742.20/x
  3. Step 3: Cross multiply
    226,051,999.80x = 339,077,999.70 × 80,649,742.20
  4. Step 4: Simplify right side
    226,051,999.80x = 27,346,553,261,496,676
  5. Step 5: Solve for x
    x = 27,346,553,261,496,676/226,051,999.80
  6. Step 6: Final answer
    x = 120,974,613.30

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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.