Home / 168,440,419.20-252,660,628.80-40,789,603.20

Finding the Fourth Proportional to 168,440,419.20, 252,660,628.80 and 40,789,603.20

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Solution

The fourth proportional to 168,440,419.20, 252,660,628.80 and 40,789,603.20 is: 61,184,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,440,419.20 : 252,660,628.80 = 40,789,603.20 : x
  2. Step 2: Convert to fraction form
    168,440,419.20/252,660,628.80 = 40,789,603.20/x
  3. Step 3: Cross multiply
    168,440,419.20x = 252,660,628.80 × 40,789,603.20
  4. Step 4: Simplify right side
    168,440,419.20x = 10,305,926,793,014,494
  5. Step 5: Solve for x
    x = 10,305,926,793,014,494/168,440,419.20
  6. Step 6: Final answer
    x = 61,184,404.80

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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.