Home / 201,625,108.37-278,231,855.09-111,095,789.57

Finding the Fourth Proportional to 201,625,108.37, 278,231,855.09 and 111,095,789.57

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Solution

The fourth proportional to 201,625,108.37, 278,231,855.09 and 111,095,789.57 is: 153,306,241.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,625,108.37 : 278,231,855.09 = 111,095,789.57 : x
  2. Step 2: Convert to fraction form
    201,625,108.37/278,231,855.09 = 111,095,789.57/x
  3. Step 3: Cross multiply
    201,625,108.37x = 278,231,855.09 × 111,095,789.57
  4. Step 4: Simplify right side
    201,625,108.37x = 30,910,387,624,392,272
  5. Step 5: Solve for x
    x = 30,910,387,624,392,272/201,625,108.37
  6. Step 6: Final answer
    x = 153,306,241.84

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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.