Home / 125,092,229.21-187,642,292.72-43,215,771.54

Finding the Fourth Proportional to 125,092,229.21, 187,642,292.72 and 43,215,771.54

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Solution

The fourth proportional to 125,092,229.21, 187,642,292.72 and 43,215,771.54 is: 64,825,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,092,229.21 : 187,642,292.72 = 43,215,771.54 : x
  2. Step 2: Convert to fraction form
    125,092,229.21/187,642,292.72 = 43,215,771.54/x
  3. Step 3: Cross multiply
    125,092,229.21x = 187,642,292.72 × 43,215,771.54
  4. Step 4: Simplify right side
    125,092,229.21x = 8,109,106,453,916,906
  5. Step 5: Solve for x
    x = 8,109,106,453,916,906/125,092,229.21
  6. Step 6: Final answer
    x = 64,825,021.55

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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.