Finding the Fourth Proportional to 201,471,612.80, 302,207,419.20 and 185,347,299.20
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Solution
The fourth proportional to 201,471,612.80, 302,207,419.20 and 185,347,299.20 is: 278,020,948.80
Step by Step Solution
- Step 1: Write the proportion equation
201,471,612.80 : 302,207,419.20 = 185,347,299.20 : x - Step 2: Convert to fraction form
201,471,612.80/302,207,419.20 = 185,347,299.20/x - Step 3: Cross multiply
201,471,612.80x = 302,207,419.20 × 185,347,299.20 - Step 4: Simplify right side
201,471,612.80x = 56,013,328,946,922,216 - Step 5: Solve for x
x = 56,013,328,946,922,216/201,471,612.80 - Step 6: Final answer
x = 278,020,948.80
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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.