Home / 76,895,855.79-115,344,082.93-18,603,440.24

Finding the Fourth Proportional to 76,895,855.79, 115,344,082.93 and 18,603,440.24

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Solution

The fourth proportional to 76,895,855.79, 115,344,082.93 and 18,603,440.24 is: 27,905,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,895,855.79 : 115,344,082.93 = 18,603,440.24 : x
  2. Step 2: Convert to fraction form
    76,895,855.79/115,344,082.93 = 18,603,440.24/x
  3. Step 3: Cross multiply
    76,895,855.79x = 115,344,082.93 × 18,603,440.24
  4. Step 4: Simplify right side
    76,895,855.79x = 2,145,796,753,732,841.75
  5. Step 5: Solve for x
    x = 2,145,796,753,732,841.75/76,895,855.79
  6. Step 6: Final answer
    x = 27,905,232.76

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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.