Home / 152,380,932.38-228,576,138.89-72,505,073.06

Finding the Fourth Proportional to 152,380,932.38, 228,576,138.89 and 72,505,073.06

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Solution

The fourth proportional to 152,380,932.38, 228,576,138.89 and 72,505,073.06 is: 108,759,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,380,932.38 : 228,576,138.89 = 72,505,073.06 : x
  2. Step 2: Convert to fraction form
    152,380,932.38/228,576,138.89 = 72,505,073.06/x
  3. Step 3: Cross multiply
    152,380,932.38x = 228,576,138.89 × 72,505,073.06
  4. Step 4: Simplify right side
    152,380,932.38x = 16,572,929,649,992,156
  5. Step 5: Solve for x
    x = 16,572,929,649,992,156/152,380,932.38
  6. Step 6: Final answer
    x = 108,759,865.10

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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.