Finding the Fourth Proportional to 201,471,944.30, 302,207,916.45 and 185,347,630.70
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Solution
The fourth proportional to 201,471,944.30, 302,207,916.45 and 185,347,630.70 is: 278,021,446.05
Step by Step Solution
- Step 1: Write the proportion equation
201,471,944.30 : 302,207,916.45 = 185,347,630.70 : x - Step 2: Convert to fraction form
201,471,944.30/302,207,916.45 = 185,347,630.70/x - Step 3: Cross multiply
201,471,944.30x = 302,207,916.45 × 185,347,630.70 - Step 4: Simplify right side
201,471,944.30x = 56,013,521,292,791,048 - Step 5: Solve for x
x = 56,013,521,292,791,048/201,471,944.30 - Step 6: Final answer
x = 278,021,446.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.