Finding the Fourth Proportional to 291,653,858.93, 402,474,362.69 and 161,269,208.69
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Solution
The fourth proportional to 291,653,858.93, 402,474,362.69 and 161,269,208.69 is: 222,547,105.07
Step by Step Solution
- Step 1: Write the proportion equation
291,653,858.93 : 402,474,362.69 = 161,269,208.69 : x - Step 2: Convert to fraction form
291,653,858.93/402,474,362.69 = 161,269,208.69/x - Step 3: Cross multiply
291,653,858.93x = 402,474,362.69 × 161,269,208.69 - Step 4: Simplify right side
291,653,858.93x = 64,906,721,987,419,160 - Step 5: Solve for x
x = 64,906,721,987,419,160/291,653,858.93 - Step 6: Final answer
x = 222,547,105.07
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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.