Home / 220,198,174.20-330,286,763.70-74,617,457.40

Finding the Fourth Proportional to 220,198,174.20, 330,286,763.70 and 74,617,457.40

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Solution

The fourth proportional to 220,198,174.20, 330,286,763.70 and 74,617,457.40 is: 111,922,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,198,174.20 : 330,286,763.70 = 74,617,457.40 : x
  2. Step 2: Convert to fraction form
    220,198,174.20/330,286,763.70 = 74,617,457.40/x
  3. Step 3: Cross multiply
    220,198,174.20x = 330,286,763.70 × 74,617,457.40
  4. Step 4: Simplify right side
    220,198,174.20x = 24,645,158,520,168,616
  5. Step 5: Solve for x
    x = 24,645,158,520,168,616/220,198,174.20
  6. Step 6: Final answer
    x = 111,922,628.83

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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.