Home / 185,858,696.70-278,819,806.42-76,624,154.58

Finding the Fourth Proportional to 185,858,696.70, 278,819,806.42 and 76,624,154.58

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Solution

The fourth proportional to 185,858,696.70, 278,819,806.42 and 76,624,154.58 is: 114,949,326.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,858,696.70 : 278,819,806.42 = 76,624,154.58 : x
  2. Step 2: Convert to fraction form
    185,858,696.70/278,819,806.42 = 76,624,154.58/x
  3. Step 3: Cross multiply
    185,858,696.70x = 278,819,806.42 × 76,624,154.58
  4. Step 4: Simplify right side
    185,858,696.70x = 21,364,331,947,091,756
  5. Step 5: Solve for x
    x = 21,364,331,947,091,756/185,858,696.70
  6. Step 6: Final answer
    x = 114,949,326.16

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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.