Home / 111,965,738.40-167,936,668.20-39,183,909.30

Finding the Fourth Proportional to 111,965,738.40, 167,936,668.20 and 39,183,909.30

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Solution

The fourth proportional to 111,965,738.40, 167,936,668.20 and 39,183,909.30 is: 58,771,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,965,738.40 : 167,936,668.20 = 39,183,909.30 : x
  2. Step 2: Convert to fraction form
    111,965,738.40/167,936,668.20 = 39,183,909.30/x
  3. Step 3: Cross multiply
    111,965,738.40x = 167,936,668.20 × 39,183,909.30
  4. Step 4: Simplify right side
    111,965,738.40x = 6,580,415,174,892,993
  5. Step 5: Solve for x
    x = 6,580,415,174,892,993/111,965,738.40
  6. Step 6: Final answer
    x = 58,771,685.60

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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.