Finding the Fourth Proportional to 236,208,052.20, 354,312,078.30 and 227,138,125.80
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Solution
The fourth proportional to 236,208,052.20, 354,312,078.30 and 227,138,125.80 is: 340,707,188.70
Step by Step Solution
- Step 1: Write the proportion equation
236,208,052.20 : 354,312,078.30 = 227,138,125.80 : x - Step 2: Convert to fraction form
236,208,052.20/354,312,078.30 = 227,138,125.80/x - Step 3: Cross multiply
236,208,052.20x = 354,312,078.30 × 227,138,125.80 - Step 4: Simplify right side
236,208,052.20x = 80,477,781,413,364,864 - Step 5: Solve for x
x = 80,477,781,413,364,864/236,208,052.20 - Step 6: Final answer
x = 340,707,188.70
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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.