Home / 202,374,728.70-279,278,031.51-109,555,236.54

Finding the Fourth Proportional to 202,374,728.70, 279,278,031.51 and 109,555,236.54

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Solution

The fourth proportional to 202,374,728.70, 279,278,031.51 and 109,555,236.54 is: 151,186,716.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,374,728.70 : 279,278,031.51 = 109,555,236.54 : x
  2. Step 2: Convert to fraction form
    202,374,728.70/279,278,031.51 = 109,555,236.54/x
  3. Step 3: Cross multiply
    202,374,728.70x = 279,278,031.51 × 109,555,236.54
  4. Step 4: Simplify right side
    202,374,728.70x = 30,596,370,802,503,624
  5. Step 5: Solve for x
    x = 30,596,370,802,503,624/202,374,728.70
  6. Step 6: Final answer
    x = 151,186,716.83

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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.