Home / 255,782,015.37-383,508,064.30-100,351,531.85

Finding the Fourth Proportional to 255,782,015.37, 383,508,064.30 and 100,351,531.85

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Solution

The fourth proportional to 255,782,015.37, 383,508,064.30 and 100,351,531.85 is: 150,462,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,782,015.37 : 383,508,064.30 = 100,351,531.85 : x
  2. Step 2: Convert to fraction form
    255,782,015.37/383,508,064.30 = 100,351,531.85/x
  3. Step 3: Cross multiply
    255,782,015.37x = 383,508,064.30 × 100,351,531.85
  4. Step 4: Simplify right side
    255,782,015.37x = 38,485,621,729,372,200
  5. Step 5: Solve for x
    x = 38,485,621,729,372,200/255,782,015.37
  6. Step 6: Final answer
    x = 150,462,579.14

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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.