Home / 87,997,111.26-121,434,186.87-48,836,613.66

Finding the Fourth Proportional to 87,997,111.26, 121,434,186.87 and 48,836,613.66

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Solution

The fourth proportional to 87,997,111.26, 121,434,186.87 and 48,836,613.66 is: 67,393,513.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,997,111.26 : 121,434,186.87 = 48,836,613.66 : x
  2. Step 2: Convert to fraction form
    87,997,111.26/121,434,186.87 = 48,836,613.66/x
  3. Step 3: Cross multiply
    87,997,111.26x = 121,434,186.87 × 48,836,613.66
  4. Step 4: Simplify right side
    87,997,111.26x = 5,930,434,469,286,434
  5. Step 5: Solve for x
    x = 5,930,434,469,286,434/87,997,111.26
  6. Step 6: Final answer
    x = 67,393,513.09

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