Finding the Fourth Proportional to 194,584,620.35, 268,526,765.31 and 106,478,628.66
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Solution
The fourth proportional to 194,584,620.35, 268,526,765.31 and 106,478,628.66 is: 146,940,501.66
Step by Step Solution
- Step 1: Write the proportion equation
194,584,620.35 : 268,526,765.31 = 106,478,628.66 : x - Step 2: Convert to fraction form
194,584,620.35/268,526,765.31 = 106,478,628.66/x - Step 3: Cross multiply
194,584,620.35x = 268,526,765.31 × 106,478,628.66 - Step 4: Simplify right side
194,584,620.35x = 28,592,361,728,714,460 - Step 5: Solve for x
x = 28,592,361,728,714,460/194,584,620.35 - Step 6: Final answer
x = 146,940,501.66
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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.