Finding the Fourth Proportional to 118,517,879,268.79, 163,554,835,353.71 and 64,324,428,737.96
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Solution
The fourth proportional to 118,517,879,268.79, 163,554,835,353.71 and 64,324,428,737.96 is: 88,767,799,562.11
Step by Step Solution
- Step 1: Write the proportion equation
118,517,879,268.79 : 163,554,835,353.71 = 64,324,428,737.96 : x - Step 2: Convert to fraction form
118,517,879,268.79/163,554,835,353.71 = 64,324,428,737.96/x - Step 3: Cross multiply
118,517,879,268.79x = 163,554,835,353.71 × 64,324,428,737.96 - Step 4: Simplify right side
118,517,879,268.79x = 10,520,571,351,458,499,264,512 - Step 5: Solve for x
x = 10,520,571,351,458,499,264,512/118,517,879,268.79 - Step 6: Final answer
x = 88,767,799,562.11
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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.