Home / 180,245,404.80-270,368,107.20-119,661,130.80

Finding the Fourth Proportional to 180,245,404.80, 270,368,107.20 and 119,661,130.80

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Solution

The fourth proportional to 180,245,404.80, 270,368,107.20 and 119,661,130.80 is: 179,491,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,245,404.80 : 270,368,107.20 = 119,661,130.80 : x
  2. Step 2: Convert to fraction form
    180,245,404.80/270,368,107.20 = 119,661,130.80/x
  3. Step 3: Cross multiply
    180,245,404.80x = 270,368,107.20 × 119,661,130.80
  4. Step 4: Simplify right side
    180,245,404.80x = 32,352,553,439,807,620
  5. Step 5: Solve for x
    x = 32,352,553,439,807,620/180,245,404.80
  6. Step 6: Final answer
    x = 179,491,696.20

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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.