Home / 228,958,218.32-315,933,634.92-154,780,180.88

Finding the Fourth Proportional to 228,958,218.32, 315,933,634.92 and 154,780,180.88

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Solution

The fourth proportional to 228,958,218.32, 315,933,634.92 and 154,780,180.88 is: 213,577,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,958,218.32 : 315,933,634.92 = 154,780,180.88 : x
  2. Step 2: Convert to fraction form
    228,958,218.32/315,933,634.92 = 154,780,180.88/x
  3. Step 3: Cross multiply
    228,958,218.32x = 315,933,634.92 × 154,780,180.88
  4. Step 4: Simplify right side
    228,958,218.32x = 48,900,265,158,993,488
  5. Step 5: Solve for x
    x = 48,900,265,158,993,488/228,958,218.32
  6. Step 6: Final answer
    x = 213,577,243.56

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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.