Home / 120,372,750.07-166,165,245.69-81,267,495.14

Finding the Fourth Proportional to 120,372,750.07, 166,165,245.69 and 81,267,495.14

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Solution

The fourth proportional to 120,372,750.07, 166,165,245.69 and 81,267,495.14 is: 112,183,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,372,750.07 : 166,165,245.69 = 81,267,495.14 : x
  2. Step 2: Convert to fraction form
    120,372,750.07/166,165,245.69 = 81,267,495.14/x
  3. Step 3: Cross multiply
    120,372,750.07x = 166,165,245.69 × 81,267,495.14
  4. Step 4: Simplify right side
    120,372,750.07x = 13,503,833,296,659,640
  5. Step 5: Solve for x
    x = 13,503,833,296,659,640/120,372,750.07
  6. Step 6: Final answer
    x = 112,183,474.16

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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.