Finding the Fourth Proportional to 294,990,067.99, 407,086,232.32 and 162,831,030.03
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Solution
The fourth proportional to 294,990,067.99, 407,086,232.32 and 162,831,030.03 is: 224,706,787.49
Step by Step Solution
- Step 1: Write the proportion equation
294,990,067.99 : 407,086,232.32 = 162,831,030.03 : x - Step 2: Convert to fraction form
294,990,067.99/407,086,232.32 = 162,831,030.03/x - Step 3: Cross multiply
294,990,067.99x = 407,086,232.32 × 162,831,030.03 - Step 4: Simplify right side
294,990,067.99x = 66,286,270,519,901,016 - Step 5: Solve for x
x = 66,286,270,519,901,016/294,990,067.99 - Step 6: Final answer
x = 224,706,787.49
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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.