Home / 202,672,900.91-279,689,015.39-109,853,471.63

Finding the Fourth Proportional to 202,672,900.91, 279,689,015.39 and 109,853,471.63

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Solution

The fourth proportional to 202,672,900.91, 279,689,015.39 and 109,853,471.63 is: 151,598,014.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,672,900.91 : 279,689,015.39 = 109,853,471.63 : x
  2. Step 2: Convert to fraction form
    202,672,900.91/279,689,015.39 = 109,853,471.63/x
  3. Step 3: Cross multiply
    202,672,900.91x = 279,689,015.39 × 109,853,471.63
  4. Step 4: Simplify right side
    202,672,900.91x = 30,724,809,317,367,996
  5. Step 5: Solve for x
    x = 30,724,809,317,367,996/202,672,900.91
  6. Step 6: Final answer
    x = 151,598,014.24

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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.