Home / 140,940,703.08-211,342,705.20-82,667,423.07

Finding the Fourth Proportional to 140,940,703.08, 211,342,705.20 and 82,667,423.07

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Solution

The fourth proportional to 140,940,703.08, 211,342,705.20 and 82,667,423.07 is: 123,961,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,940,703.08 : 211,342,705.20 = 82,667,423.07 : x
  2. Step 2: Convert to fraction form
    140,940,703.08/211,342,705.20 = 82,667,423.07/x
  3. Step 3: Cross multiply
    140,940,703.08x = 211,342,705.20 × 82,667,423.07
  4. Step 4: Simplify right side
    140,940,703.08x = 17,471,156,823,526,686
  5. Step 5: Solve for x
    x = 17,471,156,823,526,686/140,940,703.08
  6. Step 6: Final answer
    x = 123,961,044.91

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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.