Home / 263,088,001.80-394,632,002.70-126,787,163.40

Finding the Fourth Proportional to 263,088,001.80, 394,632,002.70 and 126,787,163.40

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Solution

The fourth proportional to 263,088,001.80, 394,632,002.70 and 126,787,163.40 is: 190,180,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,088,001.80 : 394,632,002.70 = 126,787,163.40 : x
  2. Step 2: Convert to fraction form
    263,088,001.80/394,632,002.70 = 126,787,163.40/x
  3. Step 3: Cross multiply
    263,088,001.80x = 394,632,002.70 × 126,787,163.40
  4. Step 4: Simplify right side
    263,088,001.80x = 50,034,272,209,194,144
  5. Step 5: Solve for x
    x = 50,034,272,209,194,144/263,088,001.80
  6. Step 6: Final answer
    x = 190,180,745.10

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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.