Finding the Fourth Proportional to 117,835,103.22, 162,632,230.47 and 68,306,458.74
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Solution
The fourth proportional to 117,835,103.22, 162,632,230.47 and 68,306,458.74 is: 94,274,383.75
Step by Step Solution
- Step 1: Write the proportion equation
117,835,103.22 : 162,632,230.47 = 68,306,458.74 : x - Step 2: Convert to fraction form
117,835,103.22/162,632,230.47 = 68,306,458.74/x - Step 3: Cross multiply
117,835,103.22x = 162,632,230.47 × 68,306,458.74 - Step 4: Simplify right side
117,835,103.22x = 11,108,831,740,393,224 - Step 5: Solve for x
x = 11,108,831,740,393,224/117,835,103.22 - Step 6: Final answer
x = 94,274,383.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.