Finding the Fourth Proportional to 45,492,729.10, 68,239,093.65 and 32,578,712.80
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Solution
The fourth proportional to 45,492,729.10, 68,239,093.65 and 32,578,712.80 is: 48,868,069.20
Step by Step Solution
- Step 1: Write the proportion equation
45,492,729.10 : 68,239,093.65 = 32,578,712.80 : x - Step 2: Convert to fraction form
45,492,729.10/68,239,093.65 = 32,578,712.80/x - Step 3: Cross multiply
45,492,729.10x = 68,239,093.65 × 32,578,712.80 - Step 4: Simplify right side
45,492,729.10x = 2,223,141,833,755,654 - Step 5: Solve for x
x = 2,223,141,833,755,654/45,492,729.10 - Step 6: Final answer
x = 48,868,069.20
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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.