Finding the Fourth Proportional to 52,511,783.26, 72,475,747.53 and 31,319,922.75
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Solution
The fourth proportional to 52,511,783.26, 72,475,747.53 and 31,319,922.75 is: 43,227,151.56
Step by Step Solution
- Step 1: Write the proportion equation
52,511,783.26 : 72,475,747.53 = 31,319,922.75 : x - Step 2: Convert to fraction form
52,511,783.26/72,475,747.53 = 31,319,922.75/x - Step 3: Cross multiply
52,511,783.26x = 72,475,747.53 × 31,319,922.75 - Step 4: Simplify right side
52,511,783.26x = 2,269,934,813,888,103.50 - Step 5: Solve for x
x = 2,269,934,813,888,103.50/52,511,783.26 - Step 6: Final answer
x = 43,227,151.56
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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.