Home / 220,201,015.20-330,291,025.20-74,620,298.40

Finding the Fourth Proportional to 220,201,015.20, 330,291,025.20 and 74,620,298.40

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Solution

The fourth proportional to 220,201,015.20, 330,291,025.20 and 74,620,298.40 is: 111,926,890.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,201,015.20 : 330,291,025.20 = 74,620,298.40 : x
  2. Step 2: Convert to fraction form
    220,201,015.20/330,291,025.20 = 74,620,298.40/x
  3. Step 3: Cross multiply
    220,201,015.20x = 330,291,025.20 × 74,620,298.40
  4. Step 4: Simplify right side
    220,201,015.20x = 24,646,414,859,265,920
  5. Step 5: Solve for x
    x = 24,646,414,859,265,920/220,201,015.20
  6. Step 6: Final answer
    x = 111,926,890.24

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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.