Home / 152,543,502-228,916,029.96-71,770,768.56

Finding the Fourth Proportional to 152,543,502, 228,916,029.96 and 71,770,768.56

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Solution

The fourth proportional to 152,543,502, 228,916,029.96 and 71,770,768.56 is: 107,703,567.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,543,502 : 228,916,029.96 = 71,770,768.56 : x
  2. Step 2: Convert to fraction form
    152,543,502/228,916,029.96 = 71,770,768.56/x
  3. Step 3: Cross multiply
    152,543,502x = 228,916,029.96 × 71,770,768.56
  4. Step 4: Simplify right side
    152,543,502x = 16,429,479,405,933,188
  5. Step 5: Solve for x
    x = 16,429,479,405,933,188/152,543,502
  6. Step 6: Final answer
    x = 107,703,567.77

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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.