Home / 76,961,743.67-115,442,615.39-19,454,014.84

Finding the Fourth Proportional to 76,961,743.67, 115,442,615.39 and 19,454,014.84

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Solution

The fourth proportional to 76,961,743.67, 115,442,615.39 and 19,454,014.84 is: 29,181,022.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,961,743.67 : 115,442,615.39 = 19,454,014.84 : x
  2. Step 2: Convert to fraction form
    76,961,743.67/115,442,615.39 = 19,454,014.84/x
  3. Step 3: Cross multiply
    76,961,743.67x = 115,442,615.39 × 19,454,014.84
  4. Step 4: Simplify right side
    76,961,743.67x = 2,245,822,352,290,989.50
  5. Step 5: Solve for x
    x = 2,245,822,352,290,989.50/76,961,743.67
  6. Step 6: Final answer
    x = 29,181,022.22

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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.