Finding the Fourth Proportional to 206,409,336.84, 284,844,926.70 and 113,589,844.74
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Solution
The fourth proportional to 206,409,336.84, 284,844,926.70 and 113,589,844.74 is: 156,754,008.78
Step by Step Solution
- Step 1: Write the proportion equation
206,409,336.84 : 284,844,926.70 = 113,589,844.74 : x - Step 2: Convert to fraction form
206,409,336.84/284,844,926.70 = 113,589,844.74/x - Step 3: Cross multiply
206,409,336.84x = 284,844,926.70 × 113,589,844.74 - Step 4: Simplify right side
206,409,336.84x = 32,355,490,998,829,676 - Step 5: Solve for x
x = 32,355,490,998,829,676/206,409,336.84 - Step 6: Final answer
x = 156,754,008.78
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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.