Home / 128,646,571.01-192,981,420.27-36,531,213.59

Finding the Fourth Proportional to 128,646,571.01, 192,981,420.27 and 36,531,213.59

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Solution

The fourth proportional to 128,646,571.01, 192,981,420.27 and 36,531,213.59 is: 54,800,104.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,646,571.01 : 192,981,420.27 = 36,531,213.59 : x
  2. Step 2: Convert to fraction form
    128,646,571.01/192,981,420.27 = 36,531,213.59/x
  3. Step 3: Cross multiply
    128,646,571.01x = 192,981,420.27 × 36,531,213.59
  4. Step 4: Simplify right side
    128,646,571.01x = 7,049,845,482,784,927
  5. Step 5: Solve for x
    x = 7,049,845,482,784,927/128,646,571.01
  6. Step 6: Final answer
    x = 54,800,104.09

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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.