Home / 228,976,742.80-343,863,245.40-121,481,318.80

Finding the Fourth Proportional to 228,976,742.80, 343,863,245.40 and 121,481,318.80

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Solution

The fourth proportional to 228,976,742.80, 343,863,245.40 and 121,481,318.80 is: 182,433,202.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,976,742.80 : 343,863,245.40 = 121,481,318.80 : x
  2. Step 2: Convert to fraction form
    228,976,742.80/343,863,245.40 = 121,481,318.80/x
  3. Step 3: Cross multiply
    228,976,742.80x = 343,863,245.40 × 121,481,318.80
  4. Step 4: Simplify right side
    228,976,742.80x = 41,772,960,538,040,032
  5. Step 5: Solve for x
    x = 41,772,960,538,040,032/228,976,742.80
  6. Step 6: Final answer
    x = 182,433,202.72

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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.