Home / 311,305,241.96-429,604,092.42-177,341,172.78

Finding the Fourth Proportional to 311,305,241.96, 429,604,092.42 and 177,341,172.78

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Solution

The fourth proportional to 311,305,241.96, 429,604,092.42 and 177,341,172.78 is: 244,732,446.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,305,241.96 : 429,604,092.42 = 177,341,172.78 : x
  2. Step 2: Convert to fraction form
    311,305,241.96/429,604,092.42 = 177,341,172.78/x
  3. Step 3: Cross multiply
    311,305,241.96x = 429,604,092.42 × 177,341,172.78
  4. Step 4: Simplify right side
    311,305,241.96x = 76,186,493,581,948,240
  5. Step 5: Solve for x
    x = 76,186,493,581,948,240/311,305,241.96
  6. Step 6: Final answer
    x = 244,732,446.85

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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.