Home / 220,202,425.20-330,293,140.20-74,621,708.40

Finding the Fourth Proportional to 220,202,425.20, 330,293,140.20 and 74,621,708.40

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Solution

The fourth proportional to 220,202,425.20, 330,293,140.20 and 74,621,708.40 is: 111,929,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,202,425.20 : 330,293,140.20 = 74,621,708.40 : x
  2. Step 2: Convert to fraction form
    220,202,425.20/330,293,140.20 = 74,621,708.40/x
  3. Step 3: Cross multiply
    220,202,425.20x = 330,293,140.20 × 74,621,708.40
  4. Step 4: Simplify right side
    220,202,425.20x = 24,647,038,394,524,720
  5. Step 5: Solve for x
    x = 24,647,038,394,524,720/220,202,425.20
  6. Step 6: Final answer
    x = 111,929,005.20

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1.5x scale

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.