Finding the Fourth Proportional to 186,770,166.88, 280,580,403.12 and 135,114,101.68
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Solution
The fourth proportional to 186,770,166.88, 280,580,403.12 and 135,114,101.68 is: 202,978,718.44
Step by Step Solution
- Step 1: Write the proportion equation
186,770,166.88 : 280,580,403.12 = 135,114,101.68 : x - Step 2: Convert to fraction form
186,770,166.88/280,580,403.12 = 135,114,101.68/x - Step 3: Cross multiply
186,770,166.88x = 280,580,403.12 × 135,114,101.68 - Step 4: Simplify right side
186,770,166.88x = 37,910,369,116,571,072 - Step 5: Solve for x
x = 37,910,369,116,571,072/186,770,166.88 - Step 6: Final answer
x = 202,978,718.44
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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.