Home / 125,380,575.92-188,085,821.14-60,637,858.72

Finding the Fourth Proportional to 125,380,575.92, 188,085,821.14 and 60,637,858.72

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Solution

The fourth proportional to 125,380,575.92, 188,085,821.14 and 60,637,858.72 is: 90,964,021.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,380,575.92 : 188,085,821.14 = 60,637,858.72 : x
  2. Step 2: Convert to fraction form
    125,380,575.92/188,085,821.14 = 60,637,858.72/x
  3. Step 3: Cross multiply
    125,380,575.92x = 188,085,821.14 × 60,637,858.72
  4. Step 4: Simplify right side
    125,380,575.92x = 11,405,121,449,522,508
  5. Step 5: Solve for x
    x = 11,405,121,449,522,508/125,380,575.92
  6. Step 6: Final answer
    x = 90,964,021.87

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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.