Home / 202,133,614.51-278,945,228.61-109,314,122.37

Finding the Fourth Proportional to 202,133,614.51, 278,945,228.61 and 109,314,122.37

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Solution

The fourth proportional to 202,133,614.51, 278,945,228.61 and 109,314,122.37 is: 150,853,943.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,133,614.51 : 278,945,228.61 = 109,314,122.37 : x
  2. Step 2: Convert to fraction form
    202,133,614.51/278,945,228.61 = 109,314,122.37/x
  3. Step 3: Cross multiply
    202,133,614.51x = 278,945,228.61 × 109,314,122.37
  4. Step 4: Simplify right side
    202,133,614.51x = 30,492,652,854,801,168
  5. Step 5: Solve for x
    x = 30,492,652,854,801,168/202,133,614.51
  6. Step 6: Final answer
    x = 150,853,943.46

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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.