Home / 211,353,619.01-291,670,358.79-117,269,469.50

Finding the Fourth Proportional to 211,353,619.01, 291,670,358.79 and 117,269,469.50

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Solution

The fourth proportional to 211,353,619.01, 291,670,358.79 and 117,269,469.50 is: 161,833,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,353,619.01 : 291,670,358.79 = 117,269,469.50 : x
  2. Step 2: Convert to fraction form
    211,353,619.01/291,670,358.79 = 117,269,469.50/x
  3. Step 3: Cross multiply
    211,353,619.01x = 291,670,358.79 × 117,269,469.50
  4. Step 4: Simplify right side
    211,353,619.01x = 34,204,028,244,177,964
  5. Step 5: Solve for x
    x = 34,204,028,244,177,964/211,353,619.01
  6. Step 6: Final answer
    x = 161,833,179.88

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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.