Home / 300,726,650.64-451,090,362.39-82,378,913.16

Finding the Fourth Proportional to 300,726,650.64, 451,090,362.39 and 82,378,913.16

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Solution

The fourth proportional to 300,726,650.64, 451,090,362.39 and 82,378,913.16 is: 123,568,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,726,650.64 : 451,090,362.39 = 82,378,913.16 : x
  2. Step 2: Convert to fraction form
    300,726,650.64/451,090,362.39 = 82,378,913.16/x
  3. Step 3: Cross multiply
    300,726,650.64x = 451,090,362.39 × 82,378,913.16
  4. Step 4: Simplify right side
    300,726,650.64x = 37,160,333,790,638,736
  5. Step 5: Solve for x
    x = 37,160,333,790,638,736/300,726,650.64
  6. Step 6: Final answer
    x = 123,568,475.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.