Finding the Fourth Proportional to 45,421,821.18, 68,132,734.74 and 36,281,122.11
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Solution
The fourth proportional to 45,421,821.18, 68,132,734.74 and 36,281,122.11 is: 54,421,685.54
Step by Step Solution
- Step 1: Write the proportion equation
45,421,821.18 : 68,132,734.74 = 36,281,122.11 : x - Step 2: Convert to fraction form
45,421,821.18/68,132,734.74 = 36,281,122.11/x - Step 3: Cross multiply
45,421,821.18x = 68,132,734.74 × 36,281,122.11 - Step 4: Simplify right side
45,421,821.18x = 2,471,932,068,790,179 - Step 5: Solve for x
x = 2,471,932,068,790,179/45,421,821.18 - Step 6: Final answer
x = 54,421,685.54
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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.