Finding the Fourth Proportional to 81,935,844.22, 122,823,883.87 and 32,737,029.34
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Solution
The fourth proportional to 81,935,844.22, 122,823,883.87 and 32,737,029.34 is: 49,073,627.40
Step by Step Solution
- Step 1: Write the proportion equation
81,935,844.22 : 122,823,883.87 = 32,737,029.34 : x - Step 2: Convert to fraction form
81,935,844.22/122,823,883.87 = 32,737,029.34/x - Step 3: Cross multiply
81,935,844.22x = 122,823,883.87 × 32,737,029.34 - Step 4: Simplify right side
81,935,844.22x = 4,020,889,089,904,943 - Step 5: Solve for x
x = 4,020,889,089,904,943/81,935,844.22 - Step 6: Final answer
x = 49,073,627.40
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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.