Home / 116,667,981.84-175,039,358.16-81,689,531.67

Finding the Fourth Proportional to 116,667,981.84, 175,039,358.16 and 81,689,531.67

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Solution

The fourth proportional to 116,667,981.84, 175,039,358.16 and 81,689,531.67 is: 122,560,474.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,667,981.84 : 175,039,358.16 = 81,689,531.67 : x
  2. Step 2: Convert to fraction form
    116,667,981.84/175,039,358.16 = 81,689,531.67/x
  3. Step 3: Cross multiply
    116,667,981.84x = 175,039,358.16 × 81,689,531.67
  4. Step 4: Simplify right side
    116,667,981.84x = 14,298,883,191,907,792
  5. Step 5: Solve for x
    x = 14,298,883,191,907,792/116,667,981.84
  6. Step 6: Final answer
    x = 122,560,474.32

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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.