Home / 185,858,694.70-278,819,803.42-76,624,152.58

Finding the Fourth Proportional to 185,858,694.70, 278,819,803.42 and 76,624,152.58

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Solution

The fourth proportional to 185,858,694.70, 278,819,803.42 and 76,624,152.58 is: 114,949,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,858,694.70 : 278,819,803.42 = 76,624,152.58 : x
  2. Step 2: Convert to fraction form
    185,858,694.70/278,819,803.42 = 76,624,152.58/x
  3. Step 3: Cross multiply
    185,858,694.70x = 278,819,803.42 × 76,624,152.58
  4. Step 4: Simplify right side
    185,858,694.70x = 21,364,331,159,559,668
  5. Step 5: Solve for x
    x = 21,364,331,159,559,668/185,858,694.70
  6. Step 6: Final answer
    x = 114,949,323.16

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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.