Home / 383,669,995.80-575,504,993.70-141,427,378.20

Finding the Fourth Proportional to 383,669,995.80, 575,504,993.70 and 141,427,378.20

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Solution

The fourth proportional to 383,669,995.80, 575,504,993.70 and 141,427,378.20 is: 212,141,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,669,995.80 : 575,504,993.70 = 141,427,378.20 : x
  2. Step 2: Convert to fraction form
    383,669,995.80/575,504,993.70 = 141,427,378.20/x
  3. Step 3: Cross multiply
    383,669,995.80x = 575,504,993.70 × 141,427,378.20
  4. Step 4: Simplify right side
    383,669,995.80x = 81,392,162,399,998,512
  5. Step 5: Solve for x
    x = 81,392,162,399,998,512/383,669,995.80
  6. Step 6: Final answer
    x = 212,141,067.30

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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.