Home / 217,451,339.12-300,082,891.56-119,666,195.12

Finding the Fourth Proportional to 217,451,339.12, 300,082,891.56 and 119,666,195.12

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Solution

The fourth proportional to 217,451,339.12, 300,082,891.56 and 119,666,195.12 is: 165,139,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,451,339.12 : 300,082,891.56 = 119,666,195.12 : x
  2. Step 2: Convert to fraction form
    217,451,339.12/300,082,891.56 = 119,666,195.12/x
  3. Step 3: Cross multiply
    217,451,339.12x = 300,082,891.56 × 119,666,195.12
  4. Step 4: Simplify right side
    217,451,339.12x = 35,909,777,853,592,764
  5. Step 5: Solve for x
    x = 35,909,777,853,592,764/217,451,339.12
  6. Step 6: Final answer
    x = 165,139,373.25

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1.5x scale

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.