Home / 111,143,121.77-166,699,548.20-29,255,142.89

Finding the Fourth Proportional to 111,143,121.77, 166,699,548.20 and 29,255,142.89

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Solution

The fourth proportional to 111,143,121.77, 166,699,548.20 and 29,255,142.89 is: 43,878,730.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,143,121.77 : 166,699,548.20 = 29,255,142.89 : x
  2. Step 2: Convert to fraction form
    111,143,121.77/166,699,548.20 = 29,255,142.89/x
  3. Step 3: Cross multiply
    111,143,121.77x = 166,699,548.20 × 29,255,142.89
  4. Step 4: Simplify right side
    111,143,121.77x = 4,876,819,101,529,082
  5. Step 5: Solve for x
    x = 4,876,819,101,529,082/111,143,121.77
  6. Step 6: Final answer
    x = 43,878,730.63

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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.