Home / 57,792,639.90-86,690,787.21-21,410,135.58

Finding the Fourth Proportional to 57,792,639.90, 86,690,787.21 and 21,410,135.58

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Solution

The fourth proportional to 57,792,639.90, 86,690,787.21 and 21,410,135.58 is: 32,115,880.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,792,639.90 : 86,690,787.21 = 21,410,135.58 : x
  2. Step 2: Convert to fraction form
    57,792,639.90/86,690,787.21 = 21,410,135.58/x
  3. Step 3: Cross multiply
    57,792,639.90x = 86,690,787.21 × 21,410,135.58
  4. Step 4: Simplify right side
    57,792,639.90x = 1,856,061,507,703,029.75
  5. Step 5: Solve for x
    x = 1,856,061,507,703,029.75/57,792,639.90
  6. Step 6: Final answer
    x = 32,115,880.34

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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.