Home / 215,785,310.80-323,677,966.20-214,273,656.40

Finding the Fourth Proportional to 215,785,310.80, 323,677,966.20 and 214,273,656.40

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Solution

The fourth proportional to 215,785,310.80, 323,677,966.20 and 214,273,656.40 is: 321,410,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,785,310.80 : 323,677,966.20 = 214,273,656.40 : x
  2. Step 2: Convert to fraction form
    215,785,310.80/323,677,966.20 = 214,273,656.40/x
  3. Step 3: Cross multiply
    215,785,310.80x = 323,677,966.20 × 214,273,656.40
  4. Step 4: Simplify right side
    215,785,310.80x = 69,355,661,313,789,616
  5. Step 5: Solve for x
    x = 69,355,661,313,789,616/215,785,310.80
  6. Step 6: Final answer
    x = 321,410,484.60

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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.