Finding the Fourth Proportional to 99,777,324.30, 149,693,980.05 and 48,661,010.70
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Solution
The fourth proportional to 99,777,324.30, 149,693,980.05 and 48,661,010.70 is: 73,005,168.42
Step by Step Solution
- Step 1: Write the proportion equation
99,777,324.30 : 149,693,980.05 = 48,661,010.70 : x - Step 2: Convert to fraction form
99,777,324.30/149,693,980.05 = 48,661,010.70/x - Step 3: Cross multiply
99,777,324.30x = 149,693,980.05 × 48,661,010.70 - Step 4: Simplify right side
99,777,324.30x = 7,284,260,364,938,638 - Step 5: Solve for x
x = 7,284,260,364,938,638/99,777,324.30 - Step 6: Final answer
x = 73,005,168.42
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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.