Home / 220,354,512.87-330,572,119.61-90,891,497.64

Finding the Fourth Proportional to 220,354,512.87, 330,572,119.61 and 90,891,497.64

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Solution

The fourth proportional to 220,354,512.87, 330,572,119.61 and 90,891,497.64 is: 136,353,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,354,512.87 : 330,572,119.61 = 90,891,497.64 : x
  2. Step 2: Convert to fraction form
    220,354,512.87/330,572,119.61 = 90,891,497.64/x
  3. Step 3: Cross multiply
    220,354,512.87x = 330,572,119.61 × 90,891,497.64
  4. Step 4: Simplify right side
    220,354,512.87x = 30,046,195,028,927,656
  5. Step 5: Solve for x
    x = 30,046,195,028,927,656/220,354,512.87
  6. Step 6: Final answer
    x = 136,353,890.09

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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.