Home / 185,858,692.98-278,819,800.86-76,624,150.86

Finding the Fourth Proportional to 185,858,692.98, 278,819,800.86 and 76,624,150.86

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Solution

The fourth proportional to 185,858,692.98, 278,819,800.86 and 76,624,150.86 is: 114,949,320.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,858,692.98 : 278,819,800.86 = 76,624,150.86 : x
  2. Step 2: Convert to fraction form
    185,858,692.98/278,819,800.86 = 76,624,150.86/x
  3. Step 3: Cross multiply
    185,858,692.98x = 278,819,800.86 × 76,624,150.86
  4. Step 4: Simplify right side
    185,858,692.98x = 21,364,330,483,468,680
  5. Step 5: Solve for x
    x = 21,364,330,483,468,680/185,858,692.98
  6. Step 6: Final answer
    x = 114,949,320.59

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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.