Finding the Fourth Proportional to 201,471,976.80, 302,207,965.20 and 185,347,663.20
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Solution
The fourth proportional to 201,471,976.80, 302,207,965.20 and 185,347,663.20 is: 278,021,494.80
Step by Step Solution
- Step 1: Write the proportion equation
201,471,976.80 : 302,207,965.20 = 185,347,663.20 : x - Step 2: Convert to fraction form
201,471,976.80/302,207,965.20 = 185,347,663.20/x - Step 3: Cross multiply
201,471,976.80x = 302,207,965.20 × 185,347,663.20 - Step 4: Simplify right side
201,471,976.80x = 56,013,540,150,246,912 - Step 5: Solve for x
x = 56,013,540,150,246,912/201,471,976.80 - Step 6: Final answer
x = 278,021,494.80
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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.