Finding the Fourth Proportional to 199,048,349.62, 274,687,997.25 and 110,947,933.26
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Solution
The fourth proportional to 199,048,349.62, 274,687,997.25 and 110,947,933.26 is: 153,108,858.45
Step by Step Solution
- Step 1: Write the proportion equation
199,048,349.62 : 274,687,997.25 = 110,947,933.26 : x - Step 2: Convert to fraction form
199,048,349.62/274,687,997.25 = 110,947,933.26/x - Step 3: Cross multiply
199,048,349.62x = 274,687,997.25 × 110,947,933.26 - Step 4: Simplify right side
199,048,349.62x = 30,476,065,586,216,064 - Step 5: Solve for x
x = 30,476,065,586,216,064/199,048,349.62 - Step 6: Final answer
x = 153,108,858.45
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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.