Finding the Fourth Proportional to 243,591,231.49, 365,454,272.58 and 112,473,626.83
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Solution
The fourth proportional to 243,591,231.49, 365,454,272.58 and 112,473,626.83 is: 168,741,572.62
Step by Step Solution
- Step 1: Write the proportion equation
243,591,231.49 : 365,454,272.58 = 112,473,626.83 : x - Step 2: Convert to fraction form
243,591,231.49/365,454,272.58 = 112,473,626.83/x - Step 3: Cross multiply
243,591,231.49x = 365,454,272.58 × 112,473,626.83 - Step 4: Simplify right side
243,591,231.49x = 41,103,967,477,592,016 - Step 5: Solve for x
x = 41,103,967,477,592,016/243,591,231.49 - Step 6: Final answer
x = 168,741,572.62
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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.