Home / 61,694,906.69-85,089,327.87-54,236,621.81

Finding the Fourth Proportional to 61,694,906.69, 85,089,327.87 and 54,236,621.81

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Solution

The fourth proportional to 61,694,906.69, 85,089,327.87 and 54,236,621.81 is: 74,802,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,694,906.69 : 85,089,327.87 = 54,236,621.81 : x
  2. Step 2: Convert to fraction form
    61,694,906.69/85,089,327.87 = 54,236,621.81/x
  3. Step 3: Cross multiply
    61,694,906.69x = 85,089,327.87 × 54,236,621.81
  4. Step 4: Simplify right side
    61,694,906.69x = 4,614,957,695,752,283
  5. Step 5: Solve for x
    x = 4,614,957,695,752,283/61,694,906.69
  6. Step 6: Final answer
    x = 74,802,896.11

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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.