Home / 202,133,614.38-278,945,228.43-109,314,122.23

Finding the Fourth Proportional to 202,133,614.38, 278,945,228.43 and 109,314,122.23

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Solution

The fourth proportional to 202,133,614.38, 278,945,228.43 and 109,314,122.23 is: 150,853,943.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,133,614.38 : 278,945,228.43 = 109,314,122.23 : x
  2. Step 2: Convert to fraction form
    202,133,614.38/278,945,228.43 = 109,314,122.23/x
  3. Step 3: Cross multiply
    202,133,614.38x = 278,945,228.43 × 109,314,122.23
  4. Step 4: Simplify right side
    202,133,614.38x = 30,492,652,794,677,564
  5. Step 5: Solve for x
    x = 30,492,652,794,677,564/202,133,614.38
  6. Step 6: Final answer
    x = 150,853,943.26

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1.5x scale

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.