Home / 305,380,057.80-458,070,086.70-159,757,350.60

Finding the Fourth Proportional to 305,380,057.80, 458,070,086.70 and 159,757,350.60

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Solution

The fourth proportional to 305,380,057.80, 458,070,086.70 and 159,757,350.60 is: 239,636,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,380,057.80 : 458,070,086.70 = 159,757,350.60 : x
  2. Step 2: Convert to fraction form
    305,380,057.80/458,070,086.70 = 159,757,350.60/x
  3. Step 3: Cross multiply
    305,380,057.80x = 458,070,086.70 × 159,757,350.60
  4. Step 4: Simplify right side
    305,380,057.80x = 73,180,063,440,304,288
  5. Step 5: Solve for x
    x = 73,180,063,440,304,288/305,380,057.80
  6. Step 6: Final answer
    x = 239,636,025.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.