Home / 74,034,971.20-111,052,456.80-43,727,233.60

Finding the Fourth Proportional to 74,034,971.20, 111,052,456.80 and 43,727,233.60

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Solution

The fourth proportional to 74,034,971.20, 111,052,456.80 and 43,727,233.60 is: 65,590,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,034,971.20 : 111,052,456.80 = 43,727,233.60 : x
  2. Step 2: Convert to fraction form
    74,034,971.20/111,052,456.80 = 43,727,233.60/x
  3. Step 3: Cross multiply
    74,034,971.20x = 111,052,456.80 × 43,727,233.60
  4. Step 4: Simplify right side
    74,034,971.20x = 4,856,016,720,347,509
  5. Step 5: Solve for x
    x = 4,856,016,720,347,509/74,034,971.20
  6. Step 6: Final answer
    x = 65,590,850.40

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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.