Home / 220,398,465.52-330,645,523.71-67,040,536.15

Finding the Fourth Proportional to 220,398,465.52, 330,645,523.71 and 67,040,536.15

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Solution

The fourth proportional to 220,398,465.52, 330,645,523.71 and 67,040,536.15 is: 100,575,351.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,398,465.52 : 330,645,523.71 = 67,040,536.15 : x
  2. Step 2: Convert to fraction form
    220,398,465.52/330,645,523.71 = 67,040,536.15/x
  3. Step 3: Cross multiply
    220,398,465.52x = 330,645,523.71 × 67,040,536.15
  4. Step 4: Simplify right side
    220,398,465.52x = 22,166,653,185,115,936
  5. Step 5: Solve for x
    x = 22,166,653,185,115,936/220,398,465.52
  6. Step 6: Final answer
    x = 100,575,351.71

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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.