Home / 202,374,789.27-279,278,114.97-109,555,296.81

Finding the Fourth Proportional to 202,374,789.27, 279,278,114.97 and 109,555,296.81

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Solution

The fourth proportional to 202,374,789.27, 279,278,114.97 and 109,555,296.81 is: 151,186,799.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,374,789.27 : 279,278,114.97 = 109,555,296.81 : x
  2. Step 2: Convert to fraction form
    202,374,789.27/279,278,114.97 = 109,555,296.81/x
  3. Step 3: Cross multiply
    202,374,789.27x = 279,278,114.97 × 109,555,296.81
  4. Step 4: Simplify right side
    202,374,789.27x = 30,596,396,778,075,660
  5. Step 5: Solve for x
    x = 30,596,396,778,075,660/202,374,789.27
  6. Step 6: Final answer
    x = 151,186,799.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.