Home / 199,825,379.44-299,272,467.79-194,309,021.86

Finding the Fourth Proportional to 199,825,379.44, 299,272,467.79 and 194,309,021.86

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Solution

The fourth proportional to 199,825,379.44, 299,272,467.79 and 194,309,021.86 is: 291,010,784.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,825,379.44 : 299,272,467.79 = 194,309,021.86 : x
  2. Step 2: Convert to fraction form
    199,825,379.44/299,272,467.79 = 194,309,021.86/x
  3. Step 3: Cross multiply
    199,825,379.44x = 299,272,467.79 × 194,309,021.86
  4. Step 4: Simplify right side
    199,825,379.44x = 58,151,340,485,903,264
  5. Step 5: Solve for x
    x = 58,151,340,485,903,264/199,825,379.44
  6. Step 6: Final answer
    x = 291,010,784.76

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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.