Finding the Fourth Proportional to 206,350,236.08, 284,765,583.12 and 112,264,917.20
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Solution
The fourth proportional to 206,350,236.08, 284,765,583.12 and 112,264,917.20 is: 154,926,813.84
Step by Step Solution
- Step 1: Write the proportion equation
206,350,236.08 : 284,765,583.12 = 112,264,917.20 : x - Step 2: Convert to fraction form
206,350,236.08/284,765,583.12 = 112,264,917.20/x - Step 3: Cross multiply
206,350,236.08x = 284,765,583.12 × 112,264,917.20 - Step 4: Simplify right side
206,350,236.08x = 31,969,184,610,376,520 - Step 5: Solve for x
x = 31,969,184,610,376,520/206,350,236.08 - Step 6: Final answer
x = 154,926,813.84
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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.