Home / 118,766,993.10-178,150,133.24-30,135,392.12

Finding the Fourth Proportional to 118,766,993.10, 178,150,133.24 and 30,135,392.12

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Solution

The fourth proportional to 118,766,993.10, 178,150,133.24 and 30,135,392.12 is: 45,202,997.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,766,993.10 : 178,150,133.24 = 30,135,392.12 : x
  2. Step 2: Convert to fraction form
    118,766,993.10/178,150,133.24 = 30,135,392.12/x
  3. Step 3: Cross multiply
    118,766,993.10x = 178,150,133.24 × 30,135,392.12
  4. Step 4: Simplify right side
    118,766,993.10x = 5,368,624,121,712,345
  5. Step 5: Solve for x
    x = 5,368,624,121,712,345/118,766,993.10
  6. Step 6: Final answer
    x = 45,202,997.75

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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.