Home / 87,950,975.27-121,321,919.43-54,853,763.67

Finding the Fourth Proportional to 87,950,975.27, 121,321,919.43 and 54,853,763.67

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Solution

The fourth proportional to 87,950,975.27, 121,321,919.43 and 54,853,763.67 is: 75,666,743.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,950,975.27 : 121,321,919.43 = 54,853,763.67 : x
  2. Step 2: Convert to fraction form
    87,950,975.27/121,321,919.43 = 54,853,763.67/x
  3. Step 3: Cross multiply
    87,950,975.27x = 121,321,919.43 × 54,853,763.67
  4. Step 4: Simplify right side
    87,950,975.27x = 6,654,963,896,404,002
  5. Step 5: Solve for x
    x = 6,654,963,896,404,002/87,950,975.27
  6. Step 6: Final answer
    x = 75,666,743.62

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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.