Home / 313,918,522.96-433,204,123.88-172,786,725.95

Finding the Fourth Proportional to 313,918,522.96, 433,204,123.88 and 172,786,725.95

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Solution

The fourth proportional to 313,918,522.96, 433,204,123.88 and 172,786,725.95 is: 238,443,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,918,522.96 : 433,204,123.88 = 172,786,725.95 : x
  2. Step 2: Convert to fraction form
    313,918,522.96/433,204,123.88 = 172,786,725.95/x
  3. Step 3: Cross multiply
    313,918,522.96x = 433,204,123.88 × 172,786,725.95
  4. Step 4: Simplify right side
    313,918,522.96x = 74,851,922,233,052,512
  5. Step 5: Solve for x
    x = 74,851,922,233,052,512/313,918,522.96
  6. Step 6: Final answer
    x = 238,443,789.57

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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.