Home / 81,451,042.80-122,176,564.20-23,949,126.60

Finding the Fourth Proportional to 81,451,042.80, 122,176,564.20 and 23,949,126.60

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Solution

The fourth proportional to 81,451,042.80, 122,176,564.20 and 23,949,126.60 is: 35,923,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,451,042.80 : 122,176,564.20 = 23,949,126.60 : x
  2. Step 2: Convert to fraction form
    81,451,042.80/122,176,564.20 = 23,949,126.60/x
  3. Step 3: Cross multiply
    81,451,042.80x = 122,176,564.20 × 23,949,126.60
  4. Step 4: Simplify right side
    81,451,042.80x = 2,926,022,003,578,828
  5. Step 5: Solve for x
    x = 2,926,022,003,578,828/81,451,042.80
  6. Step 6: Final answer
    x = 35,923,689.90

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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.