Home / 191,981,991.66-264,942,651.66-108,353,015.03

Finding the Fourth Proportional to 191,981,991.66, 264,942,651.66 and 108,353,015.03

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Solution

The fourth proportional to 191,981,991.66, 264,942,651.66 and 108,353,015.03 is: 149,531,395.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,981,991.66 : 264,942,651.66 = 108,353,015.03 : x
  2. Step 2: Convert to fraction form
    191,981,991.66/264,942,651.66 = 108,353,015.03/x
  3. Step 3: Cross multiply
    191,981,991.66x = 264,942,651.66 × 108,353,015.03
  4. Step 4: Simplify right side
    191,981,991.66x = 28,707,335,118,066,392
  5. Step 5: Solve for x
    x = 28,707,335,118,066,392/191,981,991.66
  6. Step 6: Final answer
    x = 149,531,395.47

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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.