Home / 54,641,500.20-81,993,743.10-20,587,285.80

Finding the Fourth Proportional to 54,641,500.20, 81,993,743.10 and 20,587,285.80

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Solution

The fourth proportional to 54,641,500.20, 81,993,743.10 and 20,587,285.80 is: 30,892,794.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,641,500.20 : 81,993,743.10 = 20,587,285.80 : x
  2. Step 2: Convert to fraction form
    54,641,500.20/81,993,743.10 = 20,587,285.80/x
  3. Step 3: Cross multiply
    54,641,500.20x = 81,993,743.10 × 20,587,285.80
  4. Step 4: Simplify right side
    54,641,500.20x = 1,688,028,623,011,478
  5. Step 5: Solve for x
    x = 1,688,028,623,011,478/54,641,500.20
  6. Step 6: Final answer
    x = 30,892,794.25

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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.