Home / 53,580,984.66-80,324,291.25-21,255,588.90

Finding the Fourth Proportional to 53,580,984.66, 80,324,291.25 and 21,255,588.90

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Solution

The fourth proportional to 53,580,984.66, 80,324,291.25 and 21,255,588.90 is: 31,864,664.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,580,984.66 : 80,324,291.25 = 21,255,588.90 : x
  2. Step 2: Convert to fraction form
    53,580,984.66/80,324,291.25 = 21,255,588.90/x
  3. Step 3: Cross multiply
    53,580,984.66x = 80,324,291.25 × 21,255,588.90
  4. Step 4: Simplify right side
    53,580,984.66x = 1,707,340,113,493,867
  5. Step 5: Solve for x
    x = 1,707,340,113,493,867/53,580,984.66
  6. Step 6: Final answer
    x = 31,864,664.76

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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.