Home / 381,986,919.04-572,979,662.52-119,691,550.21

Finding the Fourth Proportional to 381,986,919.04, 572,979,662.52 and 119,691,550.21

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Solution

The fourth proportional to 381,986,919.04, 572,979,662.52 and 119,691,550.21 is: 179,537,100.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,986,919.04 : 572,979,662.52 = 119,691,550.21 : x
  2. Step 2: Convert to fraction form
    381,986,919.04/572,979,662.52 = 119,691,550.21/x
  3. Step 3: Cross multiply
    381,986,919.04x = 572,979,662.52 × 119,691,550.21
  4. Step 4: Simplify right side
    381,986,919.04x = 68,580,824,045,222,968
  5. Step 5: Solve for x
    x = 68,580,824,045,222,968/381,986,919.04
  6. Step 6: Final answer
    x = 179,537,100.95

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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.