Home / 51,612,542.58-71,224,760.91-28,407,171.31

Finding the Fourth Proportional to 51,612,542.58, 71,224,760.91 and 28,407,171.31

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Solution

The fourth proportional to 51,612,542.58, 71,224,760.91 and 28,407,171.31 is: 39,201,594.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,612,542.58 : 71,224,760.91 = 28,407,171.31 : x
  2. Step 2: Convert to fraction form
    51,612,542.58/71,224,760.91 = 28,407,171.31/x
  3. Step 3: Cross multiply
    51,612,542.58x = 71,224,760.91 × 28,407,171.31
  4. Step 4: Simplify right side
    51,612,542.58x = 2,023,293,984,684,161.25
  5. Step 5: Solve for x
    x = 2,023,293,984,684,161.25/51,612,542.58
  6. Step 6: Final answer
    x = 39,201,594.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.