Home / 55,014,729.20-82,493,063.40-18,610,607.60

Finding the Fourth Proportional to 55,014,729.20, 82,493,063.40 and 18,610,607.60

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Solution

The fourth proportional to 55,014,729.20, 82,493,063.40 and 18,610,607.60 is: 27,906,090.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,014,729.20 : 82,493,063.40 = 18,610,607.60 : x
  2. Step 2: Convert to fraction form
    55,014,729.20/82,493,063.40 = 18,610,607.60/x
  3. Step 3: Cross multiply
    55,014,729.20x = 82,493,063.40 × 18,610,607.60
  4. Step 4: Simplify right side
    55,014,729.20x = 1,535,246,032,659,322
  5. Step 5: Solve for x
    x = 1,535,246,032,659,322/55,014,729.20
  6. Step 6: Final answer
    x = 27,906,090.88

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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.