Home / 231,887,031.40-320,004,768.42-132,769,299.88

Finding the Fourth Proportional to 231,887,031.40, 320,004,768.42 and 132,769,299.88

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Solution

The fourth proportional to 231,887,031.40, 320,004,768.42 and 132,769,299.88 is: 183,222,014.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,887,031.40 : 320,004,768.42 = 132,769,299.88 : x
  2. Step 2: Convert to fraction form
    231,887,031.40/320,004,768.42 = 132,769,299.88/x
  3. Step 3: Cross multiply
    231,887,031.40x = 320,004,768.42 × 132,769,299.88
  4. Step 4: Simplify right side
    231,887,031.40x = 42,486,809,061,384,936
  5. Step 5: Solve for x
    x = 42,486,809,061,384,936/231,887,031.40
  6. Step 6: Final answer
    x = 183,222,014.64

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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.