Home / 215,898,081.30-323,368,825.05-187,200,267.30

Finding the Fourth Proportional to 215,898,081.30, 323,368,825.05 and 187,200,267.30

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Solution

The fourth proportional to 215,898,081.30, 323,368,825.05 and 187,200,267.30 is: 280,385,680.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,898,081.30 : 323,368,825.05 = 187,200,267.30 : x
  2. Step 2: Convert to fraction form
    215,898,081.30/323,368,825.05 = 187,200,267.30/x
  3. Step 3: Cross multiply
    215,898,081.30x = 323,368,825.05 × 187,200,267.30
  4. Step 4: Simplify right side
    215,898,081.30x = 60,534,730,485,846,944
  5. Step 5: Solve for x
    x = 60,534,730,485,846,944/215,898,081.30
  6. Step 6: Final answer
    x = 280,385,680.69

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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.