Finding the Fourth Proportional to 155,236,145.10, 232,854,217.65 and 145,670,207.10
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Solution
The fourth proportional to 155,236,145.10, 232,854,217.65 and 145,670,207.10 is: 218,505,310.65
Step by Step Solution
- Step 1: Write the proportion equation
155,236,145.10 : 232,854,217.65 = 145,670,207.10 : x - Step 2: Convert to fraction form
155,236,145.10/232,854,217.65 = 145,670,207.10/x - Step 3: Cross multiply
155,236,145.10x = 232,854,217.65 × 145,670,207.10 - Step 4: Simplify right side
155,236,145.10x = 33,919,922,109,183,976 - Step 5: Solve for x
x = 33,919,922,109,183,976/155,236,145.10 - Step 6: Final answer
x = 218,505,310.65
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Similar ratio
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1.5x scale
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.