Home / 116,667,980.84-175,039,356.66-81,689,530.67

Finding the Fourth Proportional to 116,667,980.84, 175,039,356.66 and 81,689,530.67

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Solution

The fourth proportional to 116,667,980.84, 175,039,356.66 and 81,689,530.67 is: 122,560,472.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,667,980.84 : 175,039,356.66 = 81,689,530.67 : x
  2. Step 2: Convert to fraction form
    116,667,980.84/175,039,356.66 = 81,689,530.67/x
  3. Step 3: Cross multiply
    116,667,980.84x = 175,039,356.66 × 81,689,530.67
  4. Step 4: Simplify right side
    116,667,980.84x = 14,298,882,895,252,870
  5. Step 5: Solve for x
    x = 14,298,882,895,252,870/116,667,980.84
  6. Step 6: Final answer
    x = 122,560,472.82

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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.