Home / 101,580,336.48-140,181,876-55,171,496.64

Finding the Fourth Proportional to 101,580,336.48, 140,181,876 and 55,171,496.64

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Solution

The fourth proportional to 101,580,336.48, 140,181,876 and 55,171,496.64 is: 76,137,214.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,580,336.48 : 140,181,876 = 55,171,496.64 : x
  2. Step 2: Convert to fraction form
    101,580,336.48/140,181,876 = 55,171,496.64/x
  3. Step 3: Cross multiply
    101,580,336.48x = 140,181,876 × 55,171,496.64
  4. Step 4: Simplify right side
    101,580,336.48x = 7,734,043,900,722,897
  5. Step 5: Solve for x
    x = 7,734,043,900,722,897/101,580,336.48
  6. Step 6: Final answer
    x = 76,137,214.83

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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.