Finding the Fourth Proportional to 86,874,615.50, 119,907,847.92 and 49,726,432.76
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Solution
The fourth proportional to 86,874,615.50, 119,907,847.92 and 49,726,432.76 is: 68,634,427.94
Step by Step Solution
- Step 1: Write the proportion equation
86,874,615.50 : 119,907,847.92 = 49,726,432.76 : x - Step 2: Convert to fraction form
86,874,615.50/119,907,847.92 = 49,726,432.76/x - Step 3: Cross multiply
86,874,615.50x = 119,907,847.92 × 49,726,432.76 - Step 4: Simplify right side
86,874,615.50x = 5,962,589,536,990,186 - Step 5: Solve for x
x = 5,962,589,536,990,186/86,874,615.50 - Step 6: Final answer
x = 68,634,427.94
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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.