Finding the Fourth Proportional to 232,703,037.62, 321,132,357.99 and 128,284,845.60
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Solution
The fourth proportional to 232,703,037.62, 321,132,357.99 and 128,284,845.60 is: 177,034,281.05
Step by Step Solution
- Step 1: Write the proportion equation
232,703,037.62 : 321,132,357.99 = 128,284,845.60 : x - Step 2: Convert to fraction form
232,703,037.62/321,132,357.99 = 128,284,845.60/x - Step 3: Cross multiply
232,703,037.62x = 321,132,357.99 × 128,284,845.60 - Step 4: Simplify right side
232,703,037.62x = 41,196,414,961,911,072 - Step 5: Solve for x
x = 41,196,414,961,911,072/232,703,037.62 - Step 6: Final answer
x = 177,034,281.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.