Home / 262,903,945.20-394,391,788.20-109,514,129.40

Finding the Fourth Proportional to 262,903,945.20, 394,391,788.20 and 109,514,129.40

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Solution

The fourth proportional to 262,903,945.20, 394,391,788.20 and 109,514,129.40 is: 164,286,136.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,903,945.20 : 394,391,788.20 = 109,514,129.40 : x
  2. Step 2: Convert to fraction form
    262,903,945.20/394,391,788.20 = 109,514,129.40/x
  3. Step 3: Cross multiply
    262,903,945.20x = 394,391,788.20 × 109,514,129.40
  4. Step 4: Simplify right side
    262,903,945.20x = 43,191,473,327,232,192
  5. Step 5: Solve for x
    x = 43,191,473,327,232,192/262,903,945.20
  6. Step 6: Final answer
    x = 164,286,136.12

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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.