Finding the Fourth Proportional to 222,264,921.57, 306,725,591.73 and 124,479,777.57
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Solution
The fourth proportional to 222,264,921.57, 306,725,591.73 and 124,479,777.57 is: 171,782,093.03
Step by Step Solution
- Step 1: Write the proportion equation
222,264,921.57 : 306,725,591.73 = 124,479,777.57 : x - Step 2: Convert to fraction form
222,264,921.57/306,725,591.73 = 124,479,777.57/x - Step 3: Cross multiply
222,264,921.57x = 306,725,591.73 × 124,479,777.57 - Step 4: Simplify right side
222,264,921.57x = 38,181,133,433,577,032 - Step 5: Solve for x
x = 38,181,133,433,577,032/222,264,921.57 - Step 6: Final answer
x = 171,782,093.03
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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.