Finding the Fourth Proportional to 168,616,505.26, 232,562,394.03 and 145,135,007.02
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Solution
The fourth proportional to 168,616,505.26, 232,562,394.03 and 145,135,007.02 is: 200,175,805.08
Step by Step Solution
- Step 1: Write the proportion equation
168,616,505.26 : 232,562,394.03 = 145,135,007.02 : x - Step 2: Convert to fraction form
168,616,505.26/232,562,394.03 = 145,135,007.02/x - Step 3: Cross multiply
168,616,505.26x = 232,562,394.03 × 145,135,007.02 - Step 4: Simplify right side
168,616,505.26x = 33,752,944,690,132,060 - Step 5: Solve for x
x = 33,752,944,690,132,060/168,616,505.26 - Step 6: Final answer
x = 200,175,805.08
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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.