Finding the Fourth Proportional to 206,355,866.01, 284,662,557.12 and 122,664,468.07
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Solution
The fourth proportional to 206,355,866.01, 284,662,557.12 and 122,664,468.07 is: 169,212,447.52
Step by Step Solution
- Step 1: Write the proportion equation
206,355,866.01 : 284,662,557.12 = 122,664,468.07 : x - Step 2: Convert to fraction form
206,355,866.01/284,662,557.12 = 122,664,468.07/x - Step 3: Cross multiply
206,355,866.01x = 284,662,557.12 × 122,664,468.07 - Step 4: Simplify right side
206,355,866.01x = 34,917,981,148,570,788 - Step 5: Solve for x
x = 34,917,981,148,570,788/206,355,866.01 - Step 6: Final answer
x = 169,212,447.52
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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.