Home / 217,280,551.20-325,920,826.80-193,094,080.80

Finding the Fourth Proportional to 217,280,551.20, 325,920,826.80 and 193,094,080.80

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Solution

The fourth proportional to 217,280,551.20, 325,920,826.80 and 193,094,080.80 is: 289,641,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,280,551.20 : 325,920,826.80 = 193,094,080.80 : x
  2. Step 2: Convert to fraction form
    217,280,551.20/325,920,826.80 = 193,094,080.80/x
  3. Step 3: Cross multiply
    217,280,551.20x = 325,920,826.80 × 193,094,080.80
  4. Step 4: Simplify right side
    217,280,551.20x = 62,933,382,464,522,008
  5. Step 5: Solve for x
    x = 62,933,382,464,522,008/217,280,551.20
  6. Step 6: Final answer
    x = 289,641,121.20

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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.