Home / 81,994,787.03-113,154,150.42-48,957,923.11

Finding the Fourth Proportional to 81,994,787.03, 113,154,150.42 and 48,957,923.11

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Solution

The fourth proportional to 81,994,787.03, 113,154,150.42 and 48,957,923.11 is: 67,562,736.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,994,787.03 : 113,154,150.42 = 48,957,923.11 : x
  2. Step 2: Convert to fraction form
    81,994,787.03/113,154,150.42 = 48,957,923.11/x
  3. Step 3: Cross multiply
    81,994,787.03x = 113,154,150.42 × 48,957,923.11
  4. Step 4: Simplify right side
    81,994,787.03x = 5,539,792,195,594,945
  5. Step 5: Solve for x
    x = 5,539,792,195,594,945/81,994,787.03
  6. Step 6: Final answer
    x = 67,562,736.57

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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.