Finding the Fourth Proportional to 186,233,991.12, 256,979,618.82 and 107,916,121.44
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Solution
The fourth proportional to 186,233,991.12, 256,979,618.82 and 107,916,121.44 is: 148,910,752.46
Step by Step Solution
- Step 1: Write the proportion equation
186,233,991.12 : 256,979,618.82 = 107,916,121.44 : x - Step 2: Convert to fraction form
186,233,991.12/256,979,618.82 = 107,916,121.44/x - Step 3: Cross multiply
186,233,991.12x = 256,979,618.82 × 107,916,121.44 - Step 4: Simplify right side
186,233,991.12x = 27,732,243,752,184,028 - Step 5: Solve for x
x = 27,732,243,752,184,028/186,233,991.12 - Step 6: Final answer
x = 148,910,752.46
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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.