Finding the Fourth Proportional to 45,607,286.80, 68,315,544.60 and 21,366,902.80
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Solution
The fourth proportional to 45,607,286.80, 68,315,544.60 and 21,366,902.80 is: 32,005,666.28
Step by Step Solution
- Step 1: Write the proportion equation
45,607,286.80 : 68,315,544.60 = 21,366,902.80 : x - Step 2: Convert to fraction form
45,607,286.80/68,315,544.60 = 21,366,902.80/x - Step 3: Cross multiply
45,607,286.80x = 68,315,544.60 × 21,366,902.80 - Step 4: Simplify right side
45,607,286.80x = 1,459,691,601,197,264.75 - Step 5: Solve for x
x = 1,459,691,601,197,264.75/45,607,286.80 - Step 6: Final answer
x = 32,005,666.28
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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.