Home / 120,317,640.30-166,038,842.25-68,116,749.66

Finding the Fourth Proportional to 120,317,640.30, 166,038,842.25 and 68,116,749.66

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Solution

The fourth proportional to 120,317,640.30, 166,038,842.25 and 68,116,749.66 is: 94,001,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,317,640.30 : 166,038,842.25 = 68,116,749.66 : x
  2. Step 2: Convert to fraction form
    120,317,640.30/166,038,842.25 = 68,116,749.66/x
  3. Step 3: Cross multiply
    120,317,640.30x = 166,038,842.25 × 68,116,749.66
  4. Step 4: Simplify right side
    120,317,640.30x = 11,310,026,251,379,480
  5. Step 5: Solve for x
    x = 11,310,026,251,379,480/120,317,640.30
  6. Step 6: Final answer
    x = 94,001,396.83

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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.