Home / 323,607,660.30-485,358,346.34-139,325,523.58

Finding the Fourth Proportional to 323,607,660.30, 485,358,346.34 and 139,325,523.58

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Solution

The fourth proportional to 323,607,660.30, 485,358,346.34 and 139,325,523.58 is: 208,965,404.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,607,660.30 : 485,358,346.34 = 139,325,523.58 : x
  2. Step 2: Convert to fraction form
    323,607,660.30/485,358,346.34 = 139,325,523.58/x
  3. Step 3: Cross multiply
    323,607,660.30x = 485,358,346.34 × 139,325,523.58
  4. Step 4: Simplify right side
    323,607,660.30x = 67,622,805,727,743,480
  5. Step 5: Solve for x
    x = 67,622,805,727,743,480/323,607,660.30
  6. Step 6: Final answer
    x = 208,965,404.79

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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.