Home / 262,903,949.70-394,391,794.95-109,514,133.90

Finding the Fourth Proportional to 262,903,949.70, 394,391,794.95 and 109,514,133.90

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Solution

The fourth proportional to 262,903,949.70, 394,391,794.95 and 109,514,133.90 is: 164,286,142.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,903,949.70 : 394,391,794.95 = 109,514,133.90 : x
  2. Step 2: Convert to fraction form
    262,903,949.70/394,391,794.95 = 109,514,133.90/x
  3. Step 3: Cross multiply
    262,903,949.70x = 394,391,794.95 × 109,514,133.90
  4. Step 4: Simplify right side
    262,903,949.70x = 43,191,475,841,215,648
  5. Step 5: Solve for x
    x = 43,191,475,841,215,648/262,903,949.70
  6. Step 6: Final answer
    x = 164,286,142.87

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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.