Home / 76,715,639.71-115,074,456.77-25,597,658.52

Finding the Fourth Proportional to 76,715,639.71, 115,074,456.77 and 25,597,658.52

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Solution

The fourth proportional to 76,715,639.71, 115,074,456.77 and 25,597,658.52 is: 38,396,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,715,639.71 : 115,074,456.77 = 25,597,658.52 : x
  2. Step 2: Convert to fraction form
    76,715,639.71/115,074,456.77 = 25,597,658.52/x
  3. Step 3: Cross multiply
    76,715,639.71x = 115,074,456.77 × 25,597,658.52
  4. Step 4: Simplify right side
    76,715,639.71x = 2,945,636,648,836,956
  5. Step 5: Solve for x
    x = 2,945,636,648,836,956/76,715,639.71
  6. Step 6: Final answer
    x = 38,396,820.52

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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.