Home / 213,379,025.78-320,114,226.13-63,825,235.63

Finding the Fourth Proportional to 213,379,025.78, 320,114,226.13 and 63,825,235.63

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Solution

The fourth proportional to 213,379,025.78, 320,114,226.13 and 63,825,235.63 is: 95,751,519.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,379,025.78 : 320,114,226.13 = 63,825,235.63 : x
  2. Step 2: Convert to fraction form
    213,379,025.78/320,114,226.13 = 63,825,235.63/x
  3. Step 3: Cross multiply
    213,379,025.78x = 320,114,226.13 × 63,825,235.63
  4. Step 4: Simplify right side
    213,379,025.78x = 20,431,365,910,302,504
  5. Step 5: Solve for x
    x = 20,431,365,910,302,504/213,379,025.78
  6. Step 6: Final answer
    x = 95,751,519.32

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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.