Home / 161,986,244.16-223,540,872.12-91,436,704.86

Finding the Fourth Proportional to 161,986,244.16, 223,540,872.12 and 91,436,704.86

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Solution

The fourth proportional to 161,986,244.16, 223,540,872.12 and 91,436,704.86 is: 126,182,570.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,986,244.16 : 223,540,872.12 = 91,436,704.86 : x
  2. Step 2: Convert to fraction form
    161,986,244.16/223,540,872.12 = 91,436,704.86/x
  3. Step 3: Cross multiply
    161,986,244.16x = 223,540,872.12 × 91,436,704.86
  4. Step 4: Simplify right side
    161,986,244.16x = 20,439,840,748,183,444
  5. Step 5: Solve for x
    x = 20,439,840,748,183,444/161,986,244.16
  6. Step 6: Final answer
    x = 126,182,570.96

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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.