Home / 190,212,694.66-262,489,077.75-111,901,291.30

Finding the Fourth Proportional to 190,212,694.66, 262,489,077.75 and 111,901,291.30

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Solution

The fourth proportional to 190,212,694.66, 262,489,077.75 and 111,901,291.30 is: 154,421,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,212,694.66 : 262,489,077.75 = 111,901,291.30 : x
  2. Step 2: Convert to fraction form
    190,212,694.66/262,489,077.75 = 111,901,291.30/x
  3. Step 3: Cross multiply
    190,212,694.66x = 262,489,077.75 × 111,901,291.30
  4. Step 4: Simplify right side
    190,212,694.66x = 29,372,866,752,371,096
  5. Step 5: Solve for x
    x = 29,372,866,752,371,096/190,212,694.66
  6. Step 6: Final answer
    x = 154,421,169.44

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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.