Home / 149,787,922.80-206,689,431.16-82,797,831.56

Finding the Fourth Proportional to 149,787,922.80, 206,689,431.16 and 82,797,831.56

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Solution

The fourth proportional to 149,787,922.80, 206,689,431.16 and 82,797,831.56 is: 114,251,111.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,787,922.80 : 206,689,431.16 = 82,797,831.56 : x
  2. Step 2: Convert to fraction form
    149,787,922.80/206,689,431.16 = 82,797,831.56/x
  3. Step 3: Cross multiply
    149,787,922.80x = 206,689,431.16 × 82,797,831.56
  4. Step 4: Simplify right side
    149,787,922.80x = 17,113,436,706,417,896
  5. Step 5: Solve for x
    x = 17,113,436,706,417,896/149,787,922.80
  6. Step 6: Final answer
    x = 114,251,111.75

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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.