Home / 39,990,177.85-55,188,149.78-22,349,079.88

Finding the Fourth Proportional to 39,990,177.85, 55,188,149.78 and 22,349,079.88

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Solution

The fourth proportional to 39,990,177.85, 55,188,149.78 and 22,349,079.88 is: 30,842,682.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,990,177.85 : 55,188,149.78 = 22,349,079.88 : x
  2. Step 2: Convert to fraction form
    39,990,177.85/55,188,149.78 = 22,349,079.88/x
  3. Step 3: Cross multiply
    39,990,177.85x = 55,188,149.78 × 22,349,079.88
  4. Step 4: Simplify right side
    39,990,177.85x = 1,233,404,368,057,584.50
  5. Step 5: Solve for x
    x = 1,233,404,368,057,584.50/39,990,177.85
  6. Step 6: Final answer
    x = 30,842,682.74

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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.