Home / 152,380,930.88-228,576,136.64-72,505,071.56

Finding the Fourth Proportional to 152,380,930.88, 228,576,136.64 and 72,505,071.56

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Solution

The fourth proportional to 152,380,930.88, 228,576,136.64 and 72,505,071.56 is: 108,759,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,380,930.88 : 228,576,136.64 = 72,505,071.56 : x
  2. Step 2: Convert to fraction form
    152,380,930.88/228,576,136.64 = 72,505,071.56/x
  3. Step 3: Cross multiply
    152,380,930.88x = 228,576,136.64 × 72,505,071.56
  4. Step 4: Simplify right side
    152,380,930.88x = 16,572,929,143,991,538
  5. Step 5: Solve for x
    x = 16,572,929,143,991,538/152,380,930.88
  6. Step 6: Final answer
    x = 108,759,862.85

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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.