Home / 354,302,951.20-531,454,426.80-111,965,855.20

Finding the Fourth Proportional to 354,302,951.20, 531,454,426.80 and 111,965,855.20

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Solution

The fourth proportional to 354,302,951.20, 531,454,426.80 and 111,965,855.20 is: 167,948,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,302,951.20 : 531,454,426.80 = 111,965,855.20 : x
  2. Step 2: Convert to fraction form
    354,302,951.20/531,454,426.80 = 111,965,855.20/x
  3. Step 3: Cross multiply
    354,302,951.20x = 531,454,426.80 × 111,965,855.20
  4. Step 4: Simplify right side
    354,302,951.20x = 59,504,749,396,487,800
  5. Step 5: Solve for x
    x = 59,504,749,396,487,800/354,302,951.20
  6. Step 6: Final answer
    x = 167,948,782.80

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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.