Finding the Fourth Proportional to 352,861,085.99, 529,203,630.04 and 103,816,787.15
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Solution
The fourth proportional to 352,861,085.99, 529,203,630.04 and 103,816,787.15 is: 155,699,290.17
Step by Step Solution
- Step 1: Write the proportion equation
352,861,085.99 : 529,203,630.04 = 103,816,787.15 : x - Step 2: Convert to fraction form
352,861,085.99/529,203,630.04 = 103,816,787.15/x - Step 3: Cross multiply
352,861,085.99x = 529,203,630.04 × 103,816,787.15 - Step 4: Simplify right side
352,861,085.99x = 54,940,220,618,870,032 - Step 5: Solve for x
x = 54,940,220,618,870,032/352,861,085.99 - Step 6: Final answer
x = 155,699,290.17
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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.