Home / 321,040,004.20-443,037,473.42-174,362,288.20

Finding the Fourth Proportional to 321,040,004.20, 443,037,473.42 and 174,362,288.20

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Solution

The fourth proportional to 321,040,004.20, 443,037,473.42 and 174,362,288.20 is: 240,621,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,040,004.20 : 443,037,473.42 = 174,362,288.20 : x
  2. Step 2: Convert to fraction form
    321,040,004.20/443,037,473.42 = 174,362,288.20/x
  3. Step 3: Cross multiply
    321,040,004.20x = 443,037,473.42 × 174,362,288.20
  4. Step 4: Simplify right side
    321,040,004.20x = 77,249,027,623,857,872
  5. Step 5: Solve for x
    x = 77,249,027,623,857,872/321,040,004.20
  6. Step 6: Final answer
    x = 240,621,189.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.