Home / 220,398,464.52-330,645,522.21-67,040,535.15

Finding the Fourth Proportional to 220,398,464.52, 330,645,522.21 and 67,040,535.15

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Solution

The fourth proportional to 220,398,464.52, 330,645,522.21 and 67,040,535.15 is: 100,575,350.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,398,464.52 : 330,645,522.21 = 67,040,535.15 : x
  2. Step 2: Convert to fraction form
    220,398,464.52/330,645,522.21 = 67,040,535.15/x
  3. Step 3: Cross multiply
    220,398,464.52x = 330,645,522.21 × 67,040,535.15
  4. Step 4: Simplify right side
    220,398,464.52x = 22,166,652,753,909,608
  5. Step 5: Solve for x
    x = 22,166,652,753,909,608/220,398,464.52
  6. Step 6: Final answer
    x = 100,575,350.21

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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.