Home / 323,370,205.82-485,059,157.90-90,186,730.34

Finding the Fourth Proportional to 323,370,205.82, 485,059,157.90 and 90,186,730.34

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Solution

The fourth proportional to 323,370,205.82, 485,059,157.90 and 90,186,730.34 is: 135,281,169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,370,205.82 : 485,059,157.90 = 90,186,730.34 : x
  2. Step 2: Convert to fraction form
    323,370,205.82/485,059,157.90 = 90,186,730.34/x
  3. Step 3: Cross multiply
    323,370,205.82x = 485,059,157.90 × 90,186,730.34
  4. Step 4: Simplify right side
    323,370,205.82x = 43,745,899,471,553,192
  5. Step 5: Solve for x
    x = 43,745,899,471,553,192/323,370,205.82
  6. Step 6: Final answer
    x = 135,281,169.02

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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.