Finding the Fourth Proportional to 115,494,527,324.61, 159,361,373,549.64 and 66,647,527,715.32
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Solution
The fourth proportional to 115,494,527,324.61, 159,361,373,549.64 and 66,647,527,715.32 is: 91,961,427,146.66
Step by Step Solution
- Step 1: Write the proportion equation
115,494,527,324.61 : 159,361,373,549.64 = 66,647,527,715.32 : x - Step 2: Convert to fraction form
115,494,527,324.61/159,361,373,549.64 = 66,647,527,715.32/x - Step 3: Cross multiply
115,494,527,324.61x = 159,361,373,549.64 × 66,647,527,715.32 - Step 4: Simplify right side
115,494,527,324.61x = 10,621,041,560,400,458,416,128 - Step 5: Solve for x
x = 10,621,041,560,400,458,416,128/115,494,527,324.61 - Step 6: Final answer
x = 91,961,427,146.66
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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.