Home / 245,867,896.20-368,801,844.30-231,759,121.80

Finding the Fourth Proportional to 245,867,896.20, 368,801,844.30 and 231,759,121.80

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Solution

The fourth proportional to 245,867,896.20, 368,801,844.30 and 231,759,121.80 is: 347,638,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,867,896.20 : 368,801,844.30 = 231,759,121.80 : x
  2. Step 2: Convert to fraction form
    245,867,896.20/368,801,844.30 = 231,759,121.80/x
  3. Step 3: Cross multiply
    245,867,896.20x = 368,801,844.30 × 231,759,121.80
  4. Step 4: Simplify right side
    245,867,896.20x = 85,473,191,553,188,336
  5. Step 5: Solve for x
    x = 85,473,191,553,188,336/245,867,896.20
  6. Step 6: Final answer
    x = 347,638,682.70

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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.