Finding the Fourth Proportional to 276,021,734.70, 413,680,932.45 and 146,691,302.70
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Solution
The fourth proportional to 276,021,734.70, 413,680,932.45 and 146,691,302.70 is: 219,850,059.81
Step by Step Solution
- Step 1: Write the proportion equation
276,021,734.70 : 413,680,932.45 = 146,691,302.70 : x - Step 2: Convert to fraction form
276,021,734.70/413,680,932.45 = 146,691,302.70/x - Step 3: Cross multiply
276,021,734.70x = 413,680,932.45 × 146,691,302.70 - Step 4: Simplify right side
276,021,734.70x = 60,683,394,883,241,192 - Step 5: Solve for x
x = 60,683,394,883,241,192/276,021,734.70 - Step 6: Final answer
x = 219,850,059.81
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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.