Finding the Fourth Proportional to 88,540,827.20, 132,811,240.80 and 54,351,310.40
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Solution
The fourth proportional to 88,540,827.20, 132,811,240.80 and 54,351,310.40 is: 81,526,965.60
Step by Step Solution
- Step 1: Write the proportion equation
88,540,827.20 : 132,811,240.80 = 54,351,310.40 : x - Step 2: Convert to fraction form
88,540,827.20/132,811,240.80 = 54,351,310.40/x - Step 3: Cross multiply
88,540,827.20x = 132,811,240.80 × 54,351,310.40 - Step 4: Simplify right side
88,540,827.20x = 7,218,464,973,329,944 - Step 5: Solve for x
x = 7,218,464,973,329,944/88,540,827.20 - Step 6: Final answer
x = 81,526,965.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.