Home / 64,065,174.28-96,114,142.06-18,626,968.78

Finding the Fourth Proportional to 64,065,174.28, 96,114,142.06 and 18,626,968.78

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Solution

The fourth proportional to 64,065,174.28, 96,114,142.06 and 18,626,968.78 is: 27,945,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,065,174.28 : 96,114,142.06 = 18,626,968.78 : x
  2. Step 2: Convert to fraction form
    64,065,174.28/96,114,142.06 = 18,626,968.78/x
  3. Step 3: Cross multiply
    64,065,174.28x = 96,114,142.06 × 18,626,968.78
  4. Step 4: Simplify right side
    64,065,174.28x = 1,790,315,123,468,105
  5. Step 5: Solve for x
    x = 1,790,315,123,468,105/64,065,174.28
  6. Step 6: Final answer
    x = 27,945,215.85

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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.