Home / 317,673,237.93-438,253,082.19-198,388,742.24

Finding the Fourth Proportional to 317,673,237.93, 438,253,082.19 and 198,388,742.24

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Solution

The fourth proportional to 317,673,237.93, 438,253,082.19 and 198,388,742.24 is: 273,691,540.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,673,237.93 : 438,253,082.19 = 198,388,742.24 : x
  2. Step 2: Convert to fraction form
    317,673,237.93/438,253,082.19 = 198,388,742.24/x
  3. Step 3: Cross multiply
    317,673,237.93x = 438,253,082.19 × 198,388,742.24
  4. Step 4: Simplify right side
    317,673,237.93x = 86,944,477,756,286,192
  5. Step 5: Solve for x
    x = 86,944,477,756,286,192/317,673,237.93
  6. Step 6: Final answer
    x = 273,691,540.16

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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.