Home / 82,344,867,842.28-122,962,790,143.46-67,248,385,167.90

Finding the Fourth Proportional to 82,344,867,842.28, 122,962,790,143.46 and 67,248,385,167.90

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Solution

The fourth proportional to 82,344,867,842.28, 122,962,790,143.46 and 67,248,385,167.90 is: 100,419,726,080.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,344,867,842.28 : 122,962,790,143.46 = 67,248,385,167.90 : x
  2. Step 2: Convert to fraction form
    82,344,867,842.28/122,962,790,143.46 = 67,248,385,167.90/x
  3. Step 3: Cross multiply
    82,344,867,842.28x = 122,962,790,143.46 × 67,248,385,167.90
  4. Step 4: Simplify right side
    82,344,867,842.28x = 8,269,049,072,887,056,564,224
  5. Step 5: Solve for x
    x = 8,269,049,072,887,056,564,224/82,344,867,842.28
  6. Step 6: Final answer
    x = 100,419,726,080.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.