Home / 227,141,040.80-340,711,561.20-162,643,786.40

Finding the Fourth Proportional to 227,141,040.80, 340,711,561.20 and 162,643,786.40

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Solution

The fourth proportional to 227,141,040.80, 340,711,561.20 and 162,643,786.40 is: 243,965,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,141,040.80 : 340,711,561.20 = 162,643,786.40 : x
  2. Step 2: Convert to fraction form
    227,141,040.80/340,711,561.20 = 162,643,786.40/x
  3. Step 3: Cross multiply
    227,141,040.80x = 340,711,561.20 × 162,643,786.40
  4. Step 4: Simplify right side
    227,141,040.80x = 55,414,618,383,823,328
  5. Step 5: Solve for x
    x = 55,414,618,383,823,328/227,141,040.80
  6. Step 6: Final answer
    x = 243,965,679.60

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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.