Home / 76,469,432.40-114,688,207.80-27,970,131.60

Finding the Fourth Proportional to 76,469,432.40, 114,688,207.80 and 27,970,131.60

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Solution

The fourth proportional to 76,469,432.40, 114,688,207.80 and 27,970,131.60 is: 41,949,366.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,469,432.40 : 114,688,207.80 = 27,970,131.60 : x
  2. Step 2: Convert to fraction form
    76,469,432.40/114,688,207.80 = 27,970,131.60/x
  3. Step 3: Cross multiply
    76,469,432.40x = 114,688,207.80 × 27,970,131.60
  4. Step 4: Simplify right side
    76,469,432.40x = 3,207,844,265,134,146.50
  5. Step 5: Solve for x
    x = 3,207,844,265,134,146.50/76,469,432.40
  6. Step 6: Final answer
    x = 41,949,366.75

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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.