Home / 313,096,862.68-432,078,874.43-171,981,131.56

Finding the Fourth Proportional to 313,096,862.68, 432,078,874.43 and 171,981,131.56

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Solution

The fourth proportional to 313,096,862.68, 432,078,874.43 and 171,981,131.56 is: 237,336,820.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,096,862.68 : 432,078,874.43 = 171,981,131.56 : x
  2. Step 2: Convert to fraction form
    313,096,862.68/432,078,874.43 = 171,981,131.56/x
  3. Step 3: Cross multiply
    313,096,862.68x = 432,078,874.43 × 171,981,131.56
  4. Step 4: Simplify right side
    313,096,862.68x = 74,309,413,745,702,448
  5. Step 5: Solve for x
    x = 74,309,413,745,702,448/313,096,862.68
  6. Step 6: Final answer
    x = 237,336,820.02

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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.