Home / 147,632,418.30-221,448,627.45-140,242,107.90

Finding the Fourth Proportional to 147,632,418.30, 221,448,627.45 and 140,242,107.90

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Solution

The fourth proportional to 147,632,418.30, 221,448,627.45 and 140,242,107.90 is: 210,363,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,632,418.30 : 221,448,627.45 = 140,242,107.90 : x
  2. Step 2: Convert to fraction form
    147,632,418.30/221,448,627.45 = 140,242,107.90/x
  3. Step 3: Cross multiply
    147,632,418.30x = 221,448,627.45 × 140,242,107.90
  4. Step 4: Simplify right side
    147,632,418.30x = 31,056,422,305,149,800
  5. Step 5: Solve for x
    x = 31,056,422,305,149,800/147,632,418.30
  6. Step 6: Final answer
    x = 210,363,161.85

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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.