Home / 121,004,289.44-167,000,036.82-68,801,147

Finding the Fourth Proportional to 121,004,289.44, 167,000,036.82 and 68,801,147

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Solution

The fourth proportional to 121,004,289.44, 167,000,036.82 and 68,801,147 is: 94,953,609.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,004,289.44 : 167,000,036.82 = 68,801,147 : x
  2. Step 2: Convert to fraction form
    121,004,289.44/167,000,036.82 = 68,801,147/x
  3. Step 3: Cross multiply
    121,004,289.44x = 167,000,036.82 × 68,801,147
  4. Step 4: Simplify right side
    121,004,289.44x = 11,489,794,082,258,232
  5. Step 5: Solve for x
    x = 11,489,794,082,258,232/121,004,289.44
  6. Step 6: Final answer
    x = 94,953,609.79

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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.