Home / 352,084,143.39-485,851,735.89-195,438,912.45

Finding the Fourth Proportional to 352,084,143.39, 485,851,735.89 and 195,438,912.45

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Solution

The fourth proportional to 352,084,143.39, 485,851,735.89 and 195,438,912.45 is: 269,692,164.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,084,143.39 : 485,851,735.89 = 195,438,912.45 : x
  2. Step 2: Convert to fraction form
    352,084,143.39/485,851,735.89 = 195,438,912.45/x
  3. Step 3: Cross multiply
    352,084,143.39x = 485,851,735.89 × 195,438,912.45
  4. Step 4: Simplify right side
    352,084,143.39x = 94,954,334,874,286,224
  5. Step 5: Solve for x
    x = 94,954,334,874,286,224/352,084,143.39
  6. Step 6: Final answer
    x = 269,692,164.95

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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.