Finding the Fourth Proportional to 171,276,243.29, 236,334,217.70 and 99,760,894.65
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Solution
The fourth proportional to 171,276,243.29, 236,334,217.70 and 99,760,894.65 is: 137,654,309.44
Step by Step Solution
- Step 1: Write the proportion equation
171,276,243.29 : 236,334,217.70 = 99,760,894.65 : x - Step 2: Convert to fraction form
171,276,243.29/236,334,217.70 = 99,760,894.65/x - Step 3: Cross multiply
171,276,243.29x = 236,334,217.70 × 99,760,894.65 - Step 4: Simplify right side
171,276,243.29x = 23,576,912,994,159,864 - Step 5: Solve for x
x = 23,576,912,994,159,864/171,276,243.29 - Step 6: Final answer
x = 137,654,309.44
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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.