Home / 146,155,685.88-201,694,842.09-80,078,687.58

Finding the Fourth Proportional to 146,155,685.88, 201,694,842.09 and 80,078,687.58

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Solution

The fourth proportional to 146,155,685.88, 201,694,842.09 and 80,078,687.58 is: 110,508,586.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,155,685.88 : 201,694,842.09 = 80,078,687.58 : x
  2. Step 2: Convert to fraction form
    146,155,685.88/201,694,842.09 = 80,078,687.58/x
  3. Step 3: Cross multiply
    146,155,685.88x = 201,694,842.09 × 80,078,687.58
  4. Step 4: Simplify right side
    146,155,685.88x = 16,151,458,246,222,544
  5. Step 5: Solve for x
    x = 16,151,458,246,222,544/146,155,685.88
  6. Step 6: Final answer
    x = 110,508,586.44

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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.