Home / 293,418,190.80-440,127,286.20-220,238,765.10

Finding the Fourth Proportional to 293,418,190.80, 440,127,286.20 and 220,238,765.10

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Solution

The fourth proportional to 293,418,190.80, 440,127,286.20 and 220,238,765.10 is: 330,358,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,418,190.80 : 440,127,286.20 = 220,238,765.10 : x
  2. Step 2: Convert to fraction form
    293,418,190.80/440,127,286.20 = 220,238,765.10/x
  3. Step 3: Cross multiply
    293,418,190.80x = 440,127,286.20 × 220,238,765.10
  4. Step 4: Simplify right side
    293,418,190.80x = 96,933,089,999,502,272
  5. Step 5: Solve for x
    x = 96,933,089,999,502,272/293,418,190.80
  6. Step 6: Final answer
    x = 330,358,147.65

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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.