Home / 293,640,238.74-405,108,840.60-168,125,354.46

Finding the Fourth Proportional to 293,640,238.74, 405,108,840.60 and 168,125,354.46

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Solution

The fourth proportional to 293,640,238.74, 405,108,840.60 and 168,125,354.46 is: 231,947,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,640,238.74 : 405,108,840.60 = 168,125,354.46 : x
  2. Step 2: Convert to fraction form
    293,640,238.74/405,108,840.60 = 168,125,354.46/x
  3. Step 3: Cross multiply
    293,640,238.74x = 405,108,840.60 × 168,125,354.46
  4. Step 4: Simplify right side
    293,640,238.74x = 68,109,067,420,754,648
  5. Step 5: Solve for x
    x = 68,109,067,420,754,648/293,640,238.74
  6. Step 6: Final answer
    x = 231,947,323.41

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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.