Home / 263,648,420.80-395,192,695.20-127,244,939.20

Finding the Fourth Proportional to 263,648,420.80, 395,192,695.20 and 127,244,939.20

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Solution

The fourth proportional to 263,648,420.80, 395,192,695.20 and 127,244,939.20 is: 190,732,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,648,420.80 : 395,192,695.20 = 127,244,939.20 : x
  2. Step 2: Convert to fraction form
    263,648,420.80/395,192,695.20 = 127,244,939.20/x
  3. Step 3: Cross multiply
    263,648,420.80x = 395,192,695.20 × 127,244,939.20
  4. Step 4: Simplify right side
    263,648,420.80x = 50,286,270,473,008,128
  5. Step 5: Solve for x
    x = 50,286,270,473,008,128/263,648,420.80
  6. Step 6: Final answer
    x = 190,732,302.97

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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.