Home / 245,867,897.20-368,801,845.80-231,759,122.80

Finding the Fourth Proportional to 245,867,897.20, 368,801,845.80 and 231,759,122.80

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Solution

The fourth proportional to 245,867,897.20, 368,801,845.80 and 231,759,122.80 is: 347,638,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,867,897.20 : 368,801,845.80 = 231,759,122.80 : x
  2. Step 2: Convert to fraction form
    245,867,897.20/368,801,845.80 = 231,759,122.80/x
  3. Step 3: Cross multiply
    245,867,897.20x = 368,801,845.80 × 231,759,122.80
  4. Step 4: Simplify right side
    245,867,897.20x = 85,473,192,269,628,864
  5. Step 5: Solve for x
    x = 85,473,192,269,628,864/245,867,897.20
  6. Step 6: Final answer
    x = 347,638,684.20

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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.