Home / 121,764,719.35-182,634,511.06-82,624,286.33

Finding the Fourth Proportional to 121,764,719.35, 182,634,511.06 and 82,624,286.33

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Solution

The fourth proportional to 121,764,719.35, 182,634,511.06 and 82,624,286.33 is: 123,927,901.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,764,719.35 : 182,634,511.06 = 82,624,286.33 : x
  2. Step 2: Convert to fraction form
    121,764,719.35/182,634,511.06 = 82,624,286.33/x
  3. Step 3: Cross multiply
    121,764,719.35x = 182,634,511.06 × 82,624,286.33
  4. Step 4: Simplify right side
    121,764,719.35x = 15,090,046,135,560,992
  5. Step 5: Solve for x
    x = 15,090,046,135,560,992/121,764,719.35
  6. Step 6: Final answer
    x = 123,927,901.42

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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.