Home / 213,379,041.93-320,114,250.36-63,825,251.79

Finding the Fourth Proportional to 213,379,041.93, 320,114,250.36 and 63,825,251.79

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Solution

The fourth proportional to 213,379,041.93, 320,114,250.36 and 63,825,251.79 is: 95,751,543.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,379,041.93 : 320,114,250.36 = 63,825,251.79 : x
  2. Step 2: Convert to fraction form
    213,379,041.93/320,114,250.36 = 63,825,251.79/x
  3. Step 3: Cross multiply
    213,379,041.93x = 320,114,250.36 × 63,825,251.79
  4. Step 4: Simplify right side
    213,379,041.93x = 20,431,372,630,794,100
  5. Step 5: Solve for x
    x = 20,431,372,630,794,100/213,379,041.93
  6. Step 6: Final answer
    x = 95,751,543.57

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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.