Home / 220,202,419.20-330,293,131.20-74,621,702.40

Finding the Fourth Proportional to 220,202,419.20, 330,293,131.20 and 74,621,702.40

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Solution

The fourth proportional to 220,202,419.20, 330,293,131.20 and 74,621,702.40 is: 111,928,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,202,419.20 : 330,293,131.20 = 74,621,702.40 : x
  2. Step 2: Convert to fraction form
    220,202,419.20/330,293,131.20 = 74,621,702.40/x
  3. Step 3: Cross multiply
    220,202,419.20x = 330,293,131.20 × 74,621,702.40
  4. Step 4: Simplify right side
    220,202,419.20x = 24,647,035,741,170,556
  5. Step 5: Solve for x
    x = 24,647,035,741,170,556/220,202,419.20
  6. Step 6: Final answer
    x = 111,928,996.20

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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.