Finding the Fourth Proportional to 186,236,872.41, 257,006,954.25 and 107,965,798.47
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Solution
The fourth proportional to 186,236,872.41, 257,006,954.25 and 107,965,798.47 is: 148,992,842.66
Step by Step Solution
- Step 1: Write the proportion equation
186,236,872.41 : 257,006,954.25 = 107,965,798.47 : x - Step 2: Convert to fraction form
186,236,872.41/257,006,954.25 = 107,965,798.47/x - Step 3: Cross multiply
186,236,872.41x = 257,006,954.25 × 107,965,798.47 - Step 4: Simplify right side
186,236,872.41x = 27,747,961,027,944,008 - Step 5: Solve for x
x = 27,747,961,027,944,008/186,236,872.41 - Step 6: Final answer
x = 148,992,842.66
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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.