Home / 49,569,429.28-74,383,245.76-20,813,353.60

Finding the Fourth Proportional to 49,569,429.28, 74,383,245.76 and 20,813,353.60

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Solution

The fourth proportional to 49,569,429.28, 74,383,245.76 and 20,813,353.60 is: 31,232,249.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,569,429.28 : 74,383,245.76 = 20,813,353.60 : x
  2. Step 2: Convert to fraction form
    49,569,429.28/74,383,245.76 = 20,813,353.60/x
  3. Step 3: Cross multiply
    49,569,429.28x = 74,383,245.76 × 20,813,353.60
  4. Step 4: Simplify right side
    49,569,429.28x = 1,548,164,795,918,581
  5. Step 5: Solve for x
    x = 1,548,164,795,918,581/49,569,429.28
  6. Step 6: Final answer
    x = 31,232,249.76

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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.