Home / 290,376,186.83-400,719,195.48-158,217,183.35

Finding the Fourth Proportional to 290,376,186.83, 400,719,195.48 and 158,217,183.35

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Solution

The fourth proportional to 290,376,186.83, 400,719,195.48 and 158,217,183.35 is: 218,339,744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,376,186.83 : 400,719,195.48 = 158,217,183.35 : x
  2. Step 2: Convert to fraction form
    290,376,186.83/400,719,195.48 = 158,217,183.35/x
  3. Step 3: Cross multiply
    290,376,186.83x = 400,719,195.48 × 158,217,183.35
  4. Step 4: Simplify right side
    290,376,186.83x = 63,400,662,423,123,648
  5. Step 5: Solve for x
    x = 63,400,662,423,123,648/290,376,186.83
  6. Step 6: Final answer
    x = 218,339,744.44

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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.