Home / 209,665,620.80-314,498,431.20-193,541,307.20

Finding the Fourth Proportional to 209,665,620.80, 314,498,431.20 and 193,541,307.20

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Solution

The fourth proportional to 209,665,620.80, 314,498,431.20 and 193,541,307.20 is: 290,311,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,665,620.80 : 314,498,431.20 = 193,541,307.20 : x
  2. Step 2: Convert to fraction form
    209,665,620.80/314,498,431.20 = 193,541,307.20/x
  3. Step 3: Cross multiply
    209,665,620.80x = 314,498,431.20 × 193,541,307.20
  4. Step 4: Simplify right side
    209,665,620.80x = 60,868,437,486,797,256
  5. Step 5: Solve for x
    x = 60,868,437,486,797,256/209,665,620.80
  6. Step 6: Final answer
    x = 290,311,960.80

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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.