Home / 323,858,305.22-485,787,439.38-90,723,533.87

Finding the Fourth Proportional to 323,858,305.22, 485,787,439.38 and 90,723,533.87

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Solution

The fourth proportional to 323,858,305.22, 485,787,439.38 and 90,723,533.87 is: 136,085,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,858,305.22 : 485,787,439.38 = 90,723,533.87 : x
  2. Step 2: Convert to fraction form
    323,858,305.22/485,787,439.38 = 90,723,533.87/x
  3. Step 3: Cross multiply
    323,858,305.22x = 485,787,439.38 × 90,723,533.87
  4. Step 4: Simplify right side
    323,858,305.22x = 44,072,353,210,212,000
  5. Step 5: Solve for x
    x = 44,072,353,210,212,000/323,858,305.22
  6. Step 6: Final answer
    x = 136,085,295.64

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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.