Home / 276,858,629.10-415,287,943.65-231,844,920.30

Finding the Fourth Proportional to 276,858,629.10, 415,287,943.65 and 231,844,920.30

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Solution

The fourth proportional to 276,858,629.10, 415,287,943.65 and 231,844,920.30 is: 347,767,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,858,629.10 : 415,287,943.65 = 231,844,920.30 : x
  2. Step 2: Convert to fraction form
    276,858,629.10/415,287,943.65 = 231,844,920.30/x
  3. Step 3: Cross multiply
    276,858,629.10x = 415,287,943.65 × 231,844,920.30
  4. Step 4: Simplify right side
    276,858,629.10x = 96,282,400,197,085,136
  5. Step 5: Solve for x
    x = 96,282,400,197,085,136/276,858,629.10
  6. Step 6: Final answer
    x = 347,767,380.45

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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.