Finding the Fourth Proportional to 320,601,115.26, 481,212,647.69 and 154,721,356.79
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Solution
The fourth proportional to 320,601,115.26, 481,212,647.69 and 154,721,356.79 is: 232,232,110.89
Step by Step Solution
- Step 1: Write the proportion equation
320,601,115.26 : 481,212,647.69 = 154,721,356.79 : x - Step 2: Convert to fraction form
320,601,115.26/481,212,647.69 = 154,721,356.79/x - Step 3: Cross multiply
320,601,115.26x = 481,212,647.69 × 154,721,356.79 - Step 4: Simplify right side
320,601,115.26x = 74,453,873,751,925,392 - Step 5: Solve for x
x = 74,453,873,751,925,392/320,601,115.26 - Step 6: Final answer
x = 232,232,110.89
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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.