Home / 112,207,911.20-168,170,149.20-54,576,087.20

Finding the Fourth Proportional to 112,207,911.20, 168,170,149.20 and 54,576,087.20

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Solution

The fourth proportional to 112,207,911.20, 168,170,149.20 and 54,576,087.20 is: 81,795,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,207,911.20 : 168,170,149.20 = 54,576,087.20 : x
  2. Step 2: Convert to fraction form
    112,207,911.20/168,170,149.20 = 54,576,087.20/x
  3. Step 3: Cross multiply
    112,207,911.20x = 168,170,149.20 × 54,576,087.20
  4. Step 4: Simplify right side
    112,207,911.20x = 9,178,068,727,176,210
  5. Step 5: Solve for x
    x = 9,178,068,727,176,210/112,207,911.20
  6. Step 6: Final answer
    x = 81,795,201.68

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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.