Home / 111,965,739.40-167,936,669.70-39,183,910.30

Finding the Fourth Proportional to 111,965,739.40, 167,936,669.70 and 39,183,910.30

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Solution

The fourth proportional to 111,965,739.40, 167,936,669.70 and 39,183,910.30 is: 58,771,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,965,739.40 : 167,936,669.70 = 39,183,910.30 : x
  2. Step 2: Convert to fraction form
    111,965,739.40/167,936,669.70 = 39,183,910.30/x
  3. Step 3: Cross multiply
    111,965,739.40x = 167,936,669.70 × 39,183,910.30
  4. Step 4: Simplify right side
    111,965,739.40x = 6,580,415,401,605,527
  5. Step 5: Solve for x
    x = 6,580,415,401,605,527/111,965,739.40
  6. Step 6: Final answer
    x = 58,771,687.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.