Home / 75,321,355.68-112,982,035.68-21,467,268

Finding the Fourth Proportional to 75,321,355.68, 112,982,035.68 and 21,467,268

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Solution

The fourth proportional to 75,321,355.68, 112,982,035.68 and 21,467,268 is: 32,200,902.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,321,355.68 : 112,982,035.68 = 21,467,268 : x
  2. Step 2: Convert to fraction form
    75,321,355.68/112,982,035.68 = 21,467,268/x
  3. Step 3: Cross multiply
    75,321,355.68x = 112,982,035.68 × 21,467,268
  4. Step 4: Simplify right side
    75,321,355.68x = 2,425,415,639,128,122.50
  5. Step 5: Solve for x
    x = 2,425,415,639,128,122.50/75,321,355.68
  6. Step 6: Final answer
    x = 32,200,902.62

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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.