Home / 72,100,393.79-108,150,591.93-17,512,611.48

Finding the Fourth Proportional to 72,100,393.79, 108,150,591.93 and 17,512,611.48

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Solution

The fourth proportional to 72,100,393.79, 108,150,591.93 and 17,512,611.48 is: 26,268,917.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,100,393.79 : 108,150,591.93 = 17,512,611.48 : x
  2. Step 2: Convert to fraction form
    72,100,393.79/108,150,591.93 = 17,512,611.48/x
  3. Step 3: Cross multiply
    72,100,393.79x = 108,150,591.93 × 17,512,611.48
  4. Step 4: Simplify right side
    72,100,393.79x = 1,893,999,297,802,113.50
  5. Step 5: Solve for x
    x = 1,893,999,297,802,113.50/72,100,393.79
  6. Step 6: Final answer
    x = 26,268,917.52

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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.