Finding the Fourth Proportional to 183,530,523.58, 253,278,805.99 and 99,894,612.12
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Solution
The fourth proportional to 183,530,523.58, 253,278,805.99 and 99,894,612.12 is: 137,858,202.48
Step by Step Solution
- Step 1: Write the proportion equation
183,530,523.58 : 253,278,805.99 = 99,894,612.12 : x - Step 2: Convert to fraction form
183,530,523.58/253,278,805.99 = 99,894,612.12/x - Step 3: Cross multiply
183,530,523.58x = 253,278,805.99 × 99,894,612.12 - Step 4: Simplify right side
183,530,523.58x = 25,301,188,081,575,052 - Step 5: Solve for x
x = 25,301,188,081,575,052/183,530,523.58 - Step 6: Final answer
x = 137,858,202.48
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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.