Finding the Fourth Proportional to 266,213,163.62, 367,183,636.85 and 186,845,935.12
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Solution
The fourth proportional to 266,213,163.62, 367,183,636.85 and 186,845,935.12 is: 257,713,664.70
Step by Step Solution
- Step 1: Write the proportion equation
266,213,163.62 : 367,183,636.85 = 186,845,935.12 : x - Step 2: Convert to fraction form
266,213,163.62/367,183,636.85 = 186,845,935.12/x - Step 3: Cross multiply
266,213,163.62x = 367,183,636.85 × 186,845,935.12 - Step 4: Simplify right side
266,213,163.62x = 68,606,769,987,549,904 - Step 5: Solve for x
x = 68,606,769,987,549,904/266,213,163.62 - Step 6: Final answer
x = 257,713,664.70
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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.