Home / 179,184,029.80-268,825,811.10-76,997,021.80

Finding the Fourth Proportional to 179,184,029.80, 268,825,811.10 and 76,997,021.80

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Solution

The fourth proportional to 179,184,029.80, 268,825,811.10 and 76,997,021.80 is: 115,516,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,184,029.80 : 268,825,811.10 = 76,997,021.80 : x
  2. Step 2: Convert to fraction form
    179,184,029.80/268,825,811.10 = 76,997,021.80/x
  3. Step 3: Cross multiply
    179,184,029.80x = 268,825,811.10 × 76,997,021.80
  4. Step 4: Simplify right side
    179,184,029.80x = 20,698,786,837,669,384
  5. Step 5: Solve for x
    x = 20,698,786,837,669,384/179,184,029.80
  6. Step 6: Final answer
    x = 115,516,917.78

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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.