Home / 202,133,785.10-278,945,464.10-109,314,293.22

Finding the Fourth Proportional to 202,133,785.10, 278,945,464.10 and 109,314,293.22

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Solution

The fourth proportional to 202,133,785.10, 278,945,464.10 and 109,314,293.22 is: 150,854,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,133,785.10 : 278,945,464.10 = 109,314,293.22 : x
  2. Step 2: Convert to fraction form
    202,133,785.10/278,945,464.10 = 109,314,293.22/x
  3. Step 3: Cross multiply
    202,133,785.10x = 278,945,464.10 × 109,314,293.22
  4. Step 4: Simplify right side
    202,133,785.10x = 30,492,726,254,469,816
  5. Step 5: Solve for x
    x = 30,492,726,254,469,816/202,133,785.10
  6. Step 6: Final answer
    x = 150,854,179.28

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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.