Home / 74,197,082.77-111,296,571.24-19,609,196.68

Finding the Fourth Proportional to 74,197,082.77, 111,296,571.24 and 19,609,196.68

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Solution

The fourth proportional to 74,197,082.77, 111,296,571.24 and 19,609,196.68 is: 29,414,045.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,197,082.77 : 111,296,571.24 = 19,609,196.68 : x
  2. Step 2: Convert to fraction form
    74,197,082.77/111,296,571.24 = 19,609,196.68/x
  3. Step 3: Cross multiply
    74,197,082.77x = 111,296,571.24 × 19,609,196.68
  4. Step 4: Simplify right side
    74,197,082.77x = 2,182,436,355,467,446.75
  5. Step 5: Solve for x
    x = 2,182,436,355,467,446.75/74,197,082.77
  6. Step 6: Final answer
    x = 29,414,045.32

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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.