Home / 207,263,517.80-311,002,874.40-84,531,877.16

Finding the Fourth Proportional to 207,263,517.80, 311,002,874.40 and 84,531,877.16

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Solution

The fourth proportional to 207,263,517.80, 311,002,874.40 and 84,531,877.16 is: 126,841,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,263,517.80 : 311,002,874.40 = 84,531,877.16 : x
  2. Step 2: Convert to fraction form
    207,263,517.80/311,002,874.40 = 84,531,877.16/x
  3. Step 3: Cross multiply
    207,263,517.80x = 311,002,874.40 × 84,531,877.16
  4. Step 4: Simplify right side
    207,263,517.80x = 26,289,656,775,187,704
  5. Step 5: Solve for x
    x = 26,289,656,775,187,704/207,263,517.80
  6. Step 6: Final answer
    x = 126,841,699.18

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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.