Home / 226,654,965.40-339,982,448.10-208,515,112.60

Finding the Fourth Proportional to 226,654,965.40, 339,982,448.10 and 208,515,112.60

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Solution

The fourth proportional to 226,654,965.40, 339,982,448.10 and 208,515,112.60 is: 312,772,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,654,965.40 : 339,982,448.10 = 208,515,112.60 : x
  2. Step 2: Convert to fraction form
    226,654,965.40/339,982,448.10 = 208,515,112.60/x
  3. Step 3: Cross multiply
    226,654,965.40x = 339,982,448.10 × 208,515,112.60
  4. Step 4: Simplify right side
    226,654,965.40x = 70,891,478,447,595,160
  5. Step 5: Solve for x
    x = 70,891,478,447,595,160/226,654,965.40
  6. Step 6: Final answer
    x = 312,772,668.90

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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.