Home / 226,341,311.80-339,511,967.70-212,948,998.60

Finding the Fourth Proportional to 226,341,311.80, 339,511,967.70 and 212,948,998.60

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Solution

The fourth proportional to 226,341,311.80, 339,511,967.70 and 212,948,998.60 is: 319,423,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,341,311.80 : 339,511,967.70 = 212,948,998.60 : x
  2. Step 2: Convert to fraction form
    226,341,311.80/339,511,967.70 = 212,948,998.60/x
  3. Step 3: Cross multiply
    226,341,311.80x = 339,511,967.70 × 212,948,998.60
  4. Step 4: Simplify right side
    226,341,311.80x = 72,298,733,534,430,544
  5. Step 5: Solve for x
    x = 72,298,733,534,430,544/226,341,311.80
  6. Step 6: Final answer
    x = 319,423,497.90

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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.