Home / 263,971,310.04-395,956,965.68-140,776,393.10

Finding the Fourth Proportional to 263,971,310.04, 395,956,965.68 and 140,776,393.10

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Solution

The fourth proportional to 263,971,310.04, 395,956,965.68 and 140,776,393.10 is: 211,164,589.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,971,310.04 : 395,956,965.68 = 140,776,393.10 : x
  2. Step 2: Convert to fraction form
    263,971,310.04/395,956,965.68 = 140,776,393.10/x
  3. Step 3: Cross multiply
    263,971,310.04x = 395,956,965.68 × 140,776,393.10
  4. Step 4: Simplify right side
    263,971,310.04x = 55,741,393,448,567,224
  5. Step 5: Solve for x
    x = 55,741,393,448,567,224/263,971,310.04
  6. Step 6: Final answer
    x = 211,164,589.97

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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.