Home / 53,287,202.88-79,930,752.75-20,056,621.59

Finding the Fourth Proportional to 53,287,202.88, 79,930,752.75 and 20,056,621.59

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Solution

The fourth proportional to 53,287,202.88, 79,930,752.75 and 20,056,621.59 is: 30,084,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,287,202.88 : 79,930,752.75 = 20,056,621.59 : x
  2. Step 2: Convert to fraction form
    53,287,202.88/79,930,752.75 = 20,056,621.59/x
  3. Step 3: Cross multiply
    53,287,202.88x = 79,930,752.75 × 20,056,621.59
  4. Step 4: Simplify right side
    53,287,202.88x = 1,603,140,861,310,601.75
  5. Step 5: Solve for x
    x = 1,603,140,861,310,601.75/53,287,202.88
  6. Step 6: Final answer
    x = 30,084,912.97

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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.