Home / 188,243,865.64-259,736,238.66-109,891,861.48

Finding the Fourth Proportional to 188,243,865.64, 259,736,238.66 and 109,891,861.48

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Solution

The fourth proportional to 188,243,865.64, 259,736,238.66 and 109,891,861.48 is: 151,627,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,243,865.64 : 259,736,238.66 = 109,891,861.48 : x
  2. Step 2: Convert to fraction form
    188,243,865.64/259,736,238.66 = 109,891,861.48/x
  3. Step 3: Cross multiply
    188,243,865.64x = 259,736,238.66 × 109,891,861.48
  4. Step 4: Simplify right side
    188,243,865.64x = 28,542,898,760,160,940
  5. Step 5: Solve for x
    x = 28,542,898,760,160,940/188,243,865.64
  6. Step 6: Final answer
    x = 151,627,245.13

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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.