Home / 307,570,997.81-461,384,529.62-100,256,195.86

Finding the Fourth Proportional to 307,570,997.81, 461,384,529.62 and 100,256,195.86

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Solution

The fourth proportional to 307,570,997.81, 461,384,529.62 and 100,256,195.86 is: 150,393,431.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,570,997.81 : 461,384,529.62 = 100,256,195.86 : x
  2. Step 2: Convert to fraction form
    307,570,997.81/461,384,529.62 = 100,256,195.86/x
  3. Step 3: Cross multiply
    307,570,997.81x = 461,384,529.62 × 100,256,195.86
  4. Step 4: Simplify right side
    307,570,997.81x = 46,256,657,766,701,952
  5. Step 5: Solve for x
    x = 46,256,657,766,701,952/307,570,997.81
  6. Step 6: Final answer
    x = 150,393,431.42

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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.