Home / 54,396,911.20-81,595,366.80-51,205,640.80

Finding the Fourth Proportional to 54,396,911.20, 81,595,366.80 and 51,205,640.80

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Solution

The fourth proportional to 54,396,911.20, 81,595,366.80 and 51,205,640.80 is: 76,808,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,396,911.20 : 81,595,366.80 = 51,205,640.80 : x
  2. Step 2: Convert to fraction form
    54,396,911.20/81,595,366.80 = 51,205,640.80/x
  3. Step 3: Cross multiply
    54,396,911.20x = 81,595,366.80 × 51,205,640.80
  4. Step 4: Simplify right side
    54,396,911.20x = 4,178,143,043,305,045
  5. Step 5: Solve for x
    x = 4,178,143,043,305,045/54,396,911.20
  6. Step 6: Final answer
    x = 76,808,461.20

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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.