Home / 161,986,245.66-223,540,874.19-91,436,706.36

Finding the Fourth Proportional to 161,986,245.66, 223,540,874.19 and 91,436,706.36

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Solution

The fourth proportional to 161,986,245.66, 223,540,874.19 and 91,436,706.36 is: 126,182,573.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,986,245.66 : 223,540,874.19 = 91,436,706.36 : x
  2. Step 2: Convert to fraction form
    161,986,245.66/223,540,874.19 = 91,436,706.36/x
  3. Step 3: Cross multiply
    161,986,245.66x = 223,540,874.19 × 91,436,706.36
  4. Step 4: Simplify right side
    161,986,245.66x = 20,439,841,272,768,732
  5. Step 5: Solve for x
    x = 20,439,841,272,768,732/161,986,245.66
  6. Step 6: Final answer
    x = 126,182,573.03

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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.