Home / 54,396,916.20-81,595,374.30-51,205,645.80

Finding the Fourth Proportional to 54,396,916.20, 81,595,374.30 and 51,205,645.80

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Solution

The fourth proportional to 54,396,916.20, 81,595,374.30 and 51,205,645.80 is: 76,808,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,396,916.20 : 81,595,374.30 = 51,205,645.80 : x
  2. Step 2: Convert to fraction form
    54,396,916.20/81,595,374.30 = 51,205,645.80/x
  3. Step 3: Cross multiply
    54,396,916.20x = 81,595,374.30 × 51,205,645.80
  4. Step 4: Simplify right side
    54,396,916.20x = 4,178,143,835,324,222.50
  5. Step 5: Solve for x
    x = 4,178,143,835,324,222.50/54,396,916.20
  6. Step 6: Final answer
    x = 76,808,468.70

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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.