Home / 202,133,614.01-278,945,227.92-109,314,121.87

Finding the Fourth Proportional to 202,133,614.01, 278,945,227.92 and 109,314,121.87

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Solution

The fourth proportional to 202,133,614.01, 278,945,227.92 and 109,314,121.87 is: 150,853,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,133,614.01 : 278,945,227.92 = 109,314,121.87 : x
  2. Step 2: Convert to fraction form
    202,133,614.01/278,945,227.92 = 109,314,121.87/x
  3. Step 3: Cross multiply
    202,133,614.01x = 278,945,227.92 × 109,314,121.87
  4. Step 4: Simplify right side
    202,133,614.01x = 30,492,652,638,507,080
  5. Step 5: Solve for x
    x = 30,492,652,638,507,080/202,133,614.01
  6. Step 6: Final answer
    x = 150,853,942.76

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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.