Finding the Fourth Proportional to 308,240,838.09, 425,434,153.14 and 182,862,626.94
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Solution
The fourth proportional to 308,240,838.09, 425,434,153.14 and 182,862,626.94 is: 252,387,085.75
Step by Step Solution
- Step 1: Write the proportion equation
308,240,838.09 : 425,434,153.14 = 182,862,626.94 : x - Step 2: Convert to fraction form
308,240,838.09/425,434,153.14 = 182,862,626.94/x - Step 3: Cross multiply
308,240,838.09x = 425,434,153.14 × 182,862,626.94 - Step 4: Simplify right side
308,240,838.09x = 77,796,006,833,174,640 - Step 5: Solve for x
x = 77,796,006,833,174,640/308,240,838.09 - Step 6: Final answer
x = 252,387,085.75
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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.