Home / 67,951,982.28-101,889,112.86-31,541,639.88

Finding the Fourth Proportional to 67,951,982.28, 101,889,112.86 and 31,541,639.88

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Solution

The fourth proportional to 67,951,982.28, 101,889,112.86 and 31,541,639.88 is: 47,294,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,951,982.28 : 101,889,112.86 = 31,541,639.88 : x
  2. Step 2: Convert to fraction form
    67,951,982.28/101,889,112.86 = 31,541,639.88/x
  3. Step 3: Cross multiply
    67,951,982.28x = 101,889,112.86 × 31,541,639.88
  4. Step 4: Simplify right side
    67,951,982.28x = 3,213,749,705,522,796.50
  5. Step 5: Solve for x
    x = 3,213,749,705,522,796.50/67,951,982.28
  6. Step 6: Final answer
    x = 47,294,421.70

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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.