Home / 205,451,069.83-308,172,287.10-50,005,745.05

Finding the Fourth Proportional to 205,451,069.83, 308,172,287.10 and 50,005,745.05

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Solution

The fourth proportional to 205,451,069.83, 308,172,287.10 and 50,005,745.05 is: 75,007,566.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,451,069.83 : 308,172,287.10 = 50,005,745.05 : x
  2. Step 2: Convert to fraction form
    205,451,069.83/308,172,287.10 = 50,005,745.05/x
  3. Step 3: Cross multiply
    205,451,069.83x = 308,172,287.10 × 50,005,745.05
  4. Step 4: Simplify right side
    205,451,069.83x = 15,410,384,818,657,144
  5. Step 5: Solve for x
    x = 15,410,384,818,657,144/205,451,069.83
  6. Step 6: Final answer
    x = 75,007,566.68

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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.