Home / 300,860,163.50-415,011,124.94-189,174,183.69

Finding the Fourth Proportional to 300,860,163.50, 415,011,124.94 and 189,174,183.69

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Solution

The fourth proportional to 300,860,163.50, 415,011,124.94 and 189,174,183.69 is: 260,949,771.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,860,163.50 : 415,011,124.94 = 189,174,183.69 : x
  2. Step 2: Convert to fraction form
    300,860,163.50/415,011,124.94 = 189,174,183.69/x
  3. Step 3: Cross multiply
    300,860,163.50x = 415,011,124.94 × 189,174,183.69
  4. Step 4: Simplify right side
    300,860,163.50x = 78,509,390,782,884,752
  5. Step 5: Solve for x
    x = 78,509,390,782,884,752/300,860,163.50
  6. Step 6: Final answer
    x = 260,949,771.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.