Finding the Fourth Proportional to 198,611,626.06, 274,121,989.51 and 131,512,234.42
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Solution
The fourth proportional to 198,611,626.06, 274,121,989.51 and 131,512,234.42 is: 181,512,009.44
Step by Step Solution
- Step 1: Write the proportion equation
198,611,626.06 : 274,121,989.51 = 131,512,234.42 : x - Step 2: Convert to fraction form
198,611,626.06/274,121,989.51 = 131,512,234.42/x - Step 3: Cross multiply
198,611,626.06x = 274,121,989.51 × 131,512,234.42 - Step 4: Simplify right side
198,611,626.06x = 36,050,395,344,115,904 - Step 5: Solve for x
x = 36,050,395,344,115,904/198,611,626.06 - Step 6: Final answer
x = 181,512,009.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.