Home / 279,516,002.82-419,228,525.52-131,963,277.51

Finding the Fourth Proportional to 279,516,002.82, 419,228,525.52 and 131,963,277.51

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Solution

The fourth proportional to 279,516,002.82, 419,228,525.52 and 131,963,277.51 is: 197,923,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,516,002.82 : 419,228,525.52 = 131,963,277.51 : x
  2. Step 2: Convert to fraction form
    279,516,002.82/419,228,525.52 = 131,963,277.51/x
  3. Step 3: Cross multiply
    279,516,002.82x = 419,228,525.52 × 131,963,277.51
  4. Step 4: Simplify right side
    279,516,002.82x = 55,322,770,253,303,880
  5. Step 5: Solve for x
    x = 55,322,770,253,303,880/279,516,002.82
  6. Step 6: Final answer
    x = 197,923,445.15

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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.