Home / 45,287,040.92-67,867,713.86-20,634,720.54

Finding the Fourth Proportional to 45,287,040.92, 67,867,713.86 and 20,634,720.54

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Solution

The fourth proportional to 45,287,040.92, 67,867,713.86 and 20,634,720.54 is: 30,923,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,287,040.92 : 67,867,713.86 = 20,634,720.54 : x
  2. Step 2: Convert to fraction form
    45,287,040.92/67,867,713.86 = 20,634,720.54/x
  3. Step 3: Cross multiply
    45,287,040.92x = 67,867,713.86 × 20,634,720.54
  4. Step 4: Simplify right side
    45,287,040.92x = 1,400,431,308,948,177.25
  5. Step 5: Solve for x
    x = 1,400,431,308,948,177.25/45,287,040.92
  6. Step 6: Final answer
    x = 30,923,444.78

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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.