Finding the Fourth Proportional to 122,067,265.88, 168,355,403.16 and 80,294,232.08
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Solution
The fourth proportional to 122,067,265.88, 168,355,403.16 and 80,294,232.08 is: 110,741,956.21
Step by Step Solution
- Step 1: Write the proportion equation
122,067,265.88 : 168,355,403.16 = 80,294,232.08 : x - Step 2: Convert to fraction form
122,067,265.88/168,355,403.16 = 80,294,232.08/x - Step 3: Cross multiply
122,067,265.88x = 168,355,403.16 × 80,294,232.08 - Step 4: Simplify right side
122,067,265.88x = 13,517,967,813,251,004 - Step 5: Solve for x
x = 13,517,967,813,251,004/122,067,265.88 - Step 6: Final answer
x = 110,741,956.21
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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.