Home / 218,419,905.44-301,418,983.01-125,600,421.49

Finding the Fourth Proportional to 218,419,905.44, 301,418,983.01 and 125,600,421.49

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Solution

The fourth proportional to 218,419,905.44, 301,418,983.01 and 125,600,421.49 is: 173,328,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,419,905.44 : 301,418,983.01 = 125,600,421.49 : x
  2. Step 2: Convert to fraction form
    218,419,905.44/301,418,983.01 = 125,600,421.49/x
  3. Step 3: Cross multiply
    218,419,905.44x = 301,418,983.01 × 125,600,421.49
  4. Step 4: Simplify right side
    218,419,905.44x = 37,858,351,310,703,600
  5. Step 5: Solve for x
    x = 37,858,351,310,703,600/218,419,905.44
  6. Step 6: Final answer
    x = 173,328,301.90

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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.