Home / 220,396,462.80-330,642,523.91-67,038,533.43

Finding the Fourth Proportional to 220,396,462.80, 330,642,523.91 and 67,038,533.43

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Solution

The fourth proportional to 220,396,462.80, 330,642,523.91 and 67,038,533.43 is: 100,572,348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,396,462.80 : 330,642,523.91 = 67,038,533.43 : x
  2. Step 2: Convert to fraction form
    220,396,462.80/330,642,523.91 = 67,038,533.43/x
  3. Step 3: Cross multiply
    220,396,462.80x = 330,642,523.91 × 67,038,533.43
  4. Step 4: Simplify right side
    220,396,462.80x = 22,165,789,891,447,800
  5. Step 5: Solve for x
    x = 22,165,789,891,447,800/220,396,462.80
  6. Step 6: Final answer
    x = 100,572,348.62

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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.