Finding the Fourth Proportional to 88,586,966.87, 122,250,352.25 and 49,430,393.99
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Solution
The fourth proportional to 88,586,966.87, 122,250,352.25 and 49,430,393.99 is: 68,214,132.29
Step by Step Solution
- Step 1: Write the proportion equation
88,586,966.87 : 122,250,352.25 = 49,430,393.99 : x - Step 2: Convert to fraction form
88,586,966.87/122,250,352.25 = 49,430,393.99/x - Step 3: Cross multiply
88,586,966.87x = 122,250,352.25 × 49,430,393.99 - Step 4: Simplify right side
88,586,966.87x = 6,042,883,076,886,631 - Step 5: Solve for x
x = 6,042,883,076,886,631/88,586,966.87 - Step 6: Final answer
x = 68,214,132.29
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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.