Home / 266,719,833.45-400,086,770.55-72,635,218.29

Finding the Fourth Proportional to 266,719,833.45, 400,086,770.55 and 72,635,218.29

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Solution

The fourth proportional to 266,719,833.45, 400,086,770.55 and 72,635,218.29 is: 108,954,739.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,719,833.45 : 400,086,770.55 = 72,635,218.29 : x
  2. Step 2: Convert to fraction form
    266,719,833.45/400,086,770.55 = 72,635,218.29/x
  3. Step 3: Cross multiply
    266,719,833.45x = 400,086,770.55 × 72,635,218.29
  4. Step 4: Simplify right side
    266,719,833.45x = 29,060,389,913,568,012
  5. Step 5: Solve for x
    x = 29,060,389,913,568,012/266,719,833.45
  6. Step 6: Final answer
    x = 108,954,739.28

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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.