Home / 78,659,566.56-108,550,268.78-43,851,558.87

Finding the Fourth Proportional to 78,659,566.56, 108,550,268.78 and 43,851,558.87

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Solution

The fourth proportional to 78,659,566.56, 108,550,268.78 and 43,851,558.87 is: 60,515,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,659,566.56 : 108,550,268.78 = 43,851,558.87 : x
  2. Step 2: Convert to fraction form
    78,659,566.56/108,550,268.78 = 43,851,558.87/x
  3. Step 3: Cross multiply
    78,659,566.56x = 108,550,268.78 × 43,851,558.87
  4. Step 4: Simplify right side
    78,659,566.56x = 4,760,098,501,541,235
  5. Step 5: Solve for x
    x = 4,760,098,501,541,235/78,659,566.56
  6. Step 6: Final answer
    x = 60,515,188.55

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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.