Home / 123,796,243.20-185,694,364.80-113,214,662.40

Finding the Fourth Proportional to 123,796,243.20, 185,694,364.80 and 113,214,662.40

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Solution

The fourth proportional to 123,796,243.20, 185,694,364.80 and 113,214,662.40 is: 169,821,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,796,243.20 : 185,694,364.80 = 113,214,662.40 : x
  2. Step 2: Convert to fraction form
    123,796,243.20/185,694,364.80 = 113,214,662.40/x
  3. Step 3: Cross multiply
    123,796,243.20x = 185,694,364.80 × 113,214,662.40
  4. Step 4: Simplify right side
    123,796,243.20x = 21,023,324,820,414,444
  5. Step 5: Solve for x
    x = 21,023,324,820,414,444/123,796,243.20
  6. Step 6: Final answer
    x = 169,821,993.60

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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.