Home / 111,712,074.80-167,568,112.20-54,316,446.80

Finding the Fourth Proportional to 111,712,074.80, 167,568,112.20 and 54,316,446.80

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Solution

The fourth proportional to 111,712,074.80, 167,568,112.20 and 54,316,446.80 is: 81,474,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,712,074.80 : 167,568,112.20 = 54,316,446.80 : x
  2. Step 2: Convert to fraction form
    111,712,074.80/167,568,112.20 = 54,316,446.80/x
  3. Step 3: Cross multiply
    111,712,074.80x = 167,568,112.20 × 54,316,446.80
  4. Step 4: Simplify right side
    111,712,074.80x = 9,101,704,451,687,730
  5. Step 5: Solve for x
    x = 9,101,704,451,687,730/111,712,074.80
  6. Step 6: Final answer
    x = 81,474,670.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.