Home / 205,451,068.58-308,172,285.24-50,005,743.80

Finding the Fourth Proportional to 205,451,068.58, 308,172,285.24 and 50,005,743.80

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Solution

The fourth proportional to 205,451,068.58, 308,172,285.24 and 50,005,743.80 is: 75,007,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,451,068.58 : 308,172,285.24 = 50,005,743.80 : x
  2. Step 2: Convert to fraction form
    205,451,068.58/308,172,285.24 = 50,005,743.80/x
  3. Step 3: Cross multiply
    205,451,068.58x = 308,172,285.24 × 50,005,743.80
  4. Step 4: Simplify right side
    205,451,068.58x = 15,410,384,340,243,578
  5. Step 5: Solve for x
    x = 15,410,384,340,243,578/205,451,068.58
  6. Step 6: Final answer
    x = 75,007,564.80

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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.