Home / 79,239,308.87-118,867,116.38-27,423,820.60

Finding the Fourth Proportional to 79,239,308.87, 118,867,116.38 and 27,423,820.60

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Solution

The fourth proportional to 79,239,308.87, 118,867,116.38 and 27,423,820.60 is: 41,138,552.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,239,308.87 : 118,867,116.38 = 27,423,820.60 : x
  2. Step 2: Convert to fraction form
    79,239,308.87/118,867,116.38 = 27,423,820.60/x
  3. Step 3: Cross multiply
    79,239,308.87x = 118,867,116.38 × 27,423,820.60
  4. Step 4: Simplify right side
    79,239,308.87x = 3,259,790,474,410,154.50
  5. Step 5: Solve for x
    x = 3,259,790,474,410,154.50/79,239,308.87
  6. Step 6: Final answer
    x = 41,138,552.58

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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.