Home / 111,777,138.70-167,329,784.85-66,315,532.30

Finding the Fourth Proportional to 111,777,138.70, 167,329,784.85 and 66,315,532.30

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Solution

The fourth proportional to 111,777,138.70, 167,329,784.85 and 66,315,532.30 is: 99,274,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,777,138.70 : 167,329,784.85 = 66,315,532.30 : x
  2. Step 2: Convert to fraction form
    111,777,138.70/167,329,784.85 = 66,315,532.30/x
  3. Step 3: Cross multiply
    111,777,138.70x = 167,329,784.85 × 66,315,532.30
  4. Step 4: Simplify right side
    111,777,138.70x = 11,096,563,751,972,224
  5. Step 5: Solve for x
    x = 11,096,563,751,972,224/111,777,138.70
  6. Step 6: Final answer
    x = 99,274,000.76

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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.