Home / 107,789,404.20-161,707,725.90-53,228,128.20

Finding the Fourth Proportional to 107,789,404.20, 161,707,725.90 and 53,228,128.20

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Solution

The fourth proportional to 107,789,404.20, 161,707,725.90 and 53,228,128.20 is: 79,853,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,789,404.20 : 161,707,725.90 = 53,228,128.20 : x
  2. Step 2: Convert to fraction form
    107,789,404.20/161,707,725.90 = 53,228,128.20/x
  3. Step 3: Cross multiply
    107,789,404.20x = 161,707,725.90 × 53,228,128.20
  4. Step 4: Simplify right side
    107,789,404.20x = 8,607,399,565,135,661
  5. Step 5: Solve for x
    x = 8,607,399,565,135,661/107,789,404.20
  6. Step 6: Final answer
    x = 79,853,856.04

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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.