Home / 69,976,751.43-96,587,126.43-40,617,542.49

Finding the Fourth Proportional to 69,976,751.43, 96,587,126.43 and 40,617,542.49

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Solution

The fourth proportional to 69,976,751.43, 96,587,126.43 and 40,617,542.49 is: 56,063,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,976,751.43 : 96,587,126.43 = 40,617,542.49 : x
  2. Step 2: Convert to fraction form
    69,976,751.43/96,587,126.43 = 40,617,542.49/x
  3. Step 3: Cross multiply
    69,976,751.43x = 96,587,126.43 × 40,617,542.49
  4. Step 4: Simplify right side
    69,976,751.43x = 3,923,131,711,757,527.50
  5. Step 5: Solve for x
    x = 3,923,131,711,757,527.50/69,976,751.43
  6. Step 6: Final answer
    x = 56,063,358.64

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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.