Finding the Fourth Proportional to 115,494,525,716.27, 159,361,371,334.46 and 66,647,526,106.07
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Solution
The fourth proportional to 115,494,525,716.27, 159,361,371,334.46 and 66,647,526,106.07 is: 91,961,424,928.53
Step by Step Solution
- Step 1: Write the proportion equation
115,494,525,716.27 : 159,361,371,334.46 = 66,647,526,106.07 : x - Step 2: Convert to fraction form
115,494,525,716.27/159,361,371,334.46 = 66,647,526,106.07/x - Step 3: Cross multiply
115,494,525,716.27x = 159,361,371,334.46 × 66,647,526,106.07 - Step 4: Simplify right side
115,494,525,716.27x = 10,621,041,156,312,856,002,560 - Step 5: Solve for x
x = 10,621,041,156,312,856,002,560/115,494,525,716.27 - Step 6: Final answer
x = 91,961,424,928.53
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1.5x scale
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.