Home / 49,212,504.45-67,915,319.49-28,304,542.89

Finding the Fourth Proportional to 49,212,504.45, 67,915,319.49 and 28,304,542.89

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Solution

The fourth proportional to 49,212,504.45, 67,915,319.49 and 28,304,542.89 is: 39,061,455.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,212,504.45 : 67,915,319.49 = 28,304,542.89 : x
  2. Step 2: Convert to fraction form
    49,212,504.45/67,915,319.49 = 28,304,542.89/x
  3. Step 3: Cross multiply
    49,212,504.45x = 67,915,319.49 × 28,304,542.89
  4. Step 4: Simplify right side
    49,212,504.45x = 1,922,312,073,392,757.75
  5. Step 5: Solve for x
    x = 1,922,312,073,392,757.75/49,212,504.45
  6. Step 6: Final answer
    x = 39,061,455.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.