Home / 196,992,858.20-295,489,287.30-115,363,520.60

Finding the Fourth Proportional to 196,992,858.20, 295,489,287.30 and 115,363,520.60

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Solution

The fourth proportional to 196,992,858.20, 295,489,287.30 and 115,363,520.60 is: 173,045,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,858.20 : 295,489,287.30 = 115,363,520.60 : x
  2. Step 2: Convert to fraction form
    196,992,858.20/295,489,287.30 = 115,363,520.60/x
  3. Step 3: Cross multiply
    196,992,858.20x = 295,489,287.30 × 115,363,520.60
  4. Step 4: Simplify right side
    196,992,858.20x = 34,088,684,482,512,868
  5. Step 5: Solve for x
    x = 34,088,684,482,512,868/196,992,858.20
  6. Step 6: Final answer
    x = 173,045,280.90

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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.