Home / 49,569,435.41-74,383,254.79-20,813,359.73

Finding the Fourth Proportional to 49,569,435.41, 74,383,254.79 and 20,813,359.73

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Solution

The fourth proportional to 49,569,435.41, 74,383,254.79 and 20,813,359.73 is: 31,232,258.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,569,435.41 : 74,383,254.79 = 20,813,359.73 : x
  2. Step 2: Convert to fraction form
    49,569,435.41/74,383,254.79 = 20,813,359.73/x
  3. Step 3: Cross multiply
    49,569,435.41x = 74,383,254.79 × 20,813,359.73
  4. Step 4: Simplify right side
    49,569,435.41x = 1,548,165,439,408,566
  5. Step 5: Solve for x
    x = 1,548,165,439,408,566/49,569,435.41
  6. Step 6: Final answer
    x = 31,232,258.89

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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.