Home / 73,814,608.40-110,721,912.60-68,439,837.20

Finding the Fourth Proportional to 73,814,608.40, 110,721,912.60 and 68,439,837.20

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Solution

The fourth proportional to 73,814,608.40, 110,721,912.60 and 68,439,837.20 is: 102,659,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,814,608.40 : 110,721,912.60 = 68,439,837.20 : x
  2. Step 2: Convert to fraction form
    73,814,608.40/110,721,912.60 = 68,439,837.20/x
  3. Step 3: Cross multiply
    73,814,608.40x = 110,721,912.60 × 68,439,837.20
  4. Step 4: Simplify right side
    73,814,608.40x = 7,577,789,672,816,629
  5. Step 5: Solve for x
    x = 7,577,789,672,816,629/73,814,608.40
  6. Step 6: Final answer
    x = 102,659,755.80

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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.