Finding the Fourth Proportional to 186,502,992.05, 257,369,620.32 and 102,869,326.55
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Solution
The fourth proportional to 186,502,992.05, 257,369,620.32 and 102,869,326.55 is: 141,957,183.78
Step by Step Solution
- Step 1: Write the proportion equation
186,502,992.05 : 257,369,620.32 = 102,869,326.55 : x - Step 2: Convert to fraction form
186,502,992.05/257,369,620.32 = 102,869,326.55/x - Step 3: Cross multiply
186,502,992.05x = 257,369,620.32 × 102,869,326.55 - Step 4: Simplify right side
186,502,992.05x = 26,475,439,517,391,016 - Step 5: Solve for x
x = 26,475,439,517,391,016/186,502,992.05 - Step 6: Final answer
x = 141,957,183.78
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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.