Finding the Fourth Proportional to 206,355,822.13, 284,662,496.57 and 122,664,424.20
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Solution
The fourth proportional to 206,355,822.13, 284,662,496.57 and 122,664,424.20 is: 169,212,387.00
Step by Step Solution
- Step 1: Write the proportion equation
206,355,822.13 : 284,662,496.57 = 122,664,424.20 : x - Step 2: Convert to fraction form
206,355,822.13/284,662,496.57 = 122,664,424.20/x - Step 3: Cross multiply
206,355,822.13x = 284,662,496.57 × 122,664,424.20 - Step 4: Simplify right side
206,355,822.13x = 34,917,961,233,093,524 - Step 5: Solve for x
x = 34,917,961,233,093,524/206,355,822.13 - Step 6: Final answer
x = 169,212,387.00
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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.