Finding the Fourth Proportional to 87,946,199,304.29, 121,356,043,939.96 and 49,356,268,153.09
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Solution
The fourth proportional to 87,946,199,304.29, 121,356,043,939.96 and 49,356,268,153.09 is: 68,106,200,086.88
Step by Step Solution
- Step 1: Write the proportion equation
87,946,199,304.29 : 121,356,043,939.96 = 49,356,268,153.09 : x - Step 2: Convert to fraction form
87,946,199,304.29/121,356,043,939.96 = 49,356,268,153.09/x - Step 3: Cross multiply
87,946,199,304.29x = 121,356,043,939.96 × 49,356,268,153.09 - Step 4: Simplify right side
87,946,199,304.29x = 5,989,681,446,698,474,274,816 - Step 5: Solve for x
x = 5,989,681,446,698,474,274,816/87,946,199,304.29 - Step 6: Final answer
x = 68,106,200,086.88
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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.