Finding the Fourth Proportional to 186,302,723.67, 257,099,514.19 and 102,673,865.45
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Solution
The fourth proportional to 186,302,723.67, 257,099,514.19 and 102,673,865.45 is: 141,690,901.82
Step by Step Solution
- Step 1: Write the proportion equation
186,302,723.67 : 257,099,514.19 = 102,673,865.45 : x - Step 2: Convert to fraction form
186,302,723.67/257,099,514.19 = 102,673,865.45/x - Step 3: Cross multiply
186,302,723.67x = 257,099,514.19 × 102,673,865.45 - Step 4: Simplify right side
186,302,723.67x = 26,397,400,927,590,492 - Step 5: Solve for x
x = 26,397,400,927,590,492/186,302,723.67 - Step 6: Final answer
x = 141,690,901.82
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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.