Finding the Fourth Proportional to 152,201,251.20, 227,923,963.20 and 121,968,163.20
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Solution
The fourth proportional to 152,201,251.20, 227,923,963.20 and 121,968,163.20 is: 182,649,399.54
Step by Step Solution
- Step 1: Write the proportion equation
152,201,251.20 : 227,923,963.20 = 121,968,163.20 : x - Step 2: Convert to fraction form
152,201,251.20/227,923,963.20 = 121,968,163.20/x - Step 3: Cross multiply
152,201,251.20x = 227,923,963.20 × 121,968,163.20 - Step 4: Simplify right side
152,201,251.20x = 27,799,467,140,768,392 - Step 5: Solve for x
x = 27,799,467,140,768,392/152,201,251.20 - Step 6: Final answer
x = 182,649,399.54
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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.