Home / 90,872,897.68-125,404,757.08-49,618,910.80

Finding the Fourth Proportional to 90,872,897.68, 125,404,757.08 and 49,618,910.80

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Solution

The fourth proportional to 90,872,897.68, 125,404,757.08 and 49,618,910.80 is: 68,474,183.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,872,897.68 : 125,404,757.08 = 49,618,910.80 : x
  2. Step 2: Convert to fraction form
    90,872,897.68/125,404,757.08 = 49,618,910.80/x
  3. Step 3: Cross multiply
    90,872,897.68x = 125,404,757.08 × 49,618,910.80
  4. Step 4: Simplify right side
    90,872,897.68x = 6,222,447,455,448,188
  5. Step 5: Solve for x
    x = 6,222,447,455,448,188/90,872,897.68
  6. Step 6: Final answer
    x = 68,474,183.33

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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.