Finding the Fourth Proportional to 236,682,364.20, 355,023,546.30 and 133,370,233.80
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Solution
The fourth proportional to 236,682,364.20, 355,023,546.30 and 133,370,233.80 is: 200,055,350.70
Step by Step Solution
- Step 1: Write the proportion equation
236,682,364.20 : 355,023,546.30 = 133,370,233.80 : x - Step 2: Convert to fraction form
236,682,364.20/355,023,546.30 = 133,370,233.80/x - Step 3: Cross multiply
236,682,364.20x = 355,023,546.30 × 133,370,233.80 - Step 4: Simplify right side
236,682,364.20x = 47,349,573,374,536,128 - Step 5: Solve for x
x = 47,349,573,374,536,128/236,682,364.20 - Step 6: Final answer
x = 200,055,350.70
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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.