Finding the Fourth Proportional to 352,861,084.99, 529,203,628.54 and 103,816,786.15
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Solution
The fourth proportional to 352,861,084.99, 529,203,628.54 and 103,816,786.15 is: 155,699,288.67
Step by Step Solution
- Step 1: Write the proportion equation
352,861,084.99 : 529,203,628.54 = 103,816,786.15 : x - Step 2: Convert to fraction form
352,861,084.99/529,203,628.54 = 103,816,786.15/x - Step 3: Cross multiply
352,861,084.99x = 529,203,628.54 × 103,816,786.15 - Step 4: Simplify right side
352,861,084.99x = 54,940,219,933,941,224 - Step 5: Solve for x
x = 54,940,219,933,941,224/352,861,084.99 - Step 6: Final answer
x = 155,699,288.67
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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.