Home / 107,789,420.20-161,707,749.90-53,228,144.20

Finding the Fourth Proportional to 107,789,420.20, 161,707,749.90 and 53,228,144.20

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Solution

The fourth proportional to 107,789,420.20, 161,707,749.90 and 53,228,144.20 is: 79,853,880.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,789,420.20 : 161,707,749.90 = 53,228,144.20 : x
  2. Step 2: Convert to fraction form
    107,789,420.20/161,707,749.90 = 53,228,144.20/x
  3. Step 3: Cross multiply
    107,789,420.20x = 161,707,749.90 × 53,228,144.20
  4. Step 4: Simplify right side
    107,789,420.20x = 8,607,403,429,934,736
  5. Step 5: Solve for x
    x = 8,607,403,429,934,736/107,789,420.20
  6. Step 6: Final answer
    x = 79,853,880.04

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1.5x scale

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.