Home / 388,304,028.90-582,456,043.35-111,954,708.90

Finding the Fourth Proportional to 388,304,028.90, 582,456,043.35 and 111,954,708.90

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Solution

The fourth proportional to 388,304,028.90, 582,456,043.35 and 111,954,708.90 is: 167,932,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,304,028.90 : 582,456,043.35 = 111,954,708.90 : x
  2. Step 2: Convert to fraction form
    388,304,028.90/582,456,043.35 = 111,954,708.90/x
  3. Step 3: Cross multiply
    388,304,028.90x = 582,456,043.35 × 111,954,708.90
  4. Step 4: Simplify right side
    388,304,028.90x = 65,208,696,780,295,040
  5. Step 5: Solve for x
    x = 65,208,696,780,295,040/388,304,028.90
  6. Step 6: Final answer
    x = 167,932,063.35

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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.