Home / 125,914,462.75-188,641,512.37-91,285,100.29

Finding the Fourth Proportional to 125,914,462.75, 188,641,512.37 and 91,285,100.29

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Solution

The fourth proportional to 125,914,462.75, 188,641,512.37 and 91,285,100.29 is: 136,760,773.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,914,462.75 : 188,641,512.37 = 91,285,100.29 : x
  2. Step 2: Convert to fraction form
    125,914,462.75/188,641,512.37 = 91,285,100.29/x
  3. Step 3: Cross multiply
    125,914,462.75x = 188,641,512.37 × 91,285,100.29
  4. Step 4: Simplify right side
    125,914,462.75x = 17,220,159,375,552,728
  5. Step 5: Solve for x
    x = 17,220,159,375,552,728/125,914,462.75
  6. Step 6: Final answer
    x = 136,760,773.94

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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.