Home / 116,667,982.84-175,039,359.66-81,689,532.68

Finding the Fourth Proportional to 116,667,982.84, 175,039,359.66 and 81,689,532.68

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Solution

The fourth proportional to 116,667,982.84, 175,039,359.66 and 81,689,532.68 is: 122,560,475.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,667,982.84 : 175,039,359.66 = 81,689,532.68 : x
  2. Step 2: Convert to fraction form
    116,667,982.84/175,039,359.66 = 81,689,532.68/x
  3. Step 3: Cross multiply
    116,667,982.84x = 175,039,359.66 × 81,689,532.68
  4. Step 4: Simplify right side
    116,667,982.84x = 14,298,883,491,231,844
  5. Step 5: Solve for x
    x = 14,298,883,491,231,844/116,667,982.84
  6. Step 6: Final answer
    x = 122,560,475.83

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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.