Finding the Fourth Proportional to 90,750,122.76, 125,236,662.44 and 49,497,015
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Solution
The fourth proportional to 90,750,122.76, 125,236,662.44 and 49,497,015 is: 68,306,695.03
Step by Step Solution
- Step 1: Write the proportion equation
90,750,122.76 : 125,236,662.44 = 49,497,015 : x - Step 2: Convert to fraction form
90,750,122.76/125,236,662.44 = 49,497,015/x - Step 3: Cross multiply
90,750,122.76x = 125,236,662.44 × 49,497,015 - Step 4: Simplify right side
90,750,122.76x = 6,198,840,959,342,616 - Step 5: Solve for x
x = 6,198,840,959,342,616/90,750,122.76 - Step 6: Final answer
x = 68,306,695.03
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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.