Home / 72,515,629.22-100,068,503.22-39,475,190.58

Finding the Fourth Proportional to 72,515,629.22, 100,068,503.22 and 39,475,190.58

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Solution

The fourth proportional to 72,515,629.22, 100,068,503.22 and 39,475,190.58 is: 54,474,094.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,515,629.22 : 100,068,503.22 = 39,475,190.58 : x
  2. Step 2: Convert to fraction form
    72,515,629.22/100,068,503.22 = 39,475,190.58/x
  3. Step 3: Cross multiply
    72,515,629.22x = 100,068,503.22 × 39,475,190.58
  4. Step 4: Simplify right side
    72,515,629.22x = 3,950,223,235,664,843.50
  5. Step 5: Solve for x
    x = 3,950,223,235,664,843.50/72,515,629.22
  6. Step 6: Final answer
    x = 54,474,094.46

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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.