Finding the Fourth Proportional to 99,629,229.30, 149,471,837.55 and 48,512,915.70
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Solution
The fourth proportional to 99,629,229.30, 149,471,837.55 and 48,512,915.70 is: 72,783,004.60
Step by Step Solution
- Step 1: Write the proportion equation
99,629,229.30 : 149,471,837.55 = 48,512,915.70 : x - Step 2: Convert to fraction form
99,629,229.30/149,471,837.55 = 48,512,915.70/x - Step 3: Cross multiply
99,629,229.30x = 149,471,837.55 × 48,512,915.70 - Step 4: Simplify right side
99,629,229.30x = 7,251,314,654,587,246 - Step 5: Solve for x
x = 7,251,314,654,587,246/99,629,229.30 - Step 6: Final answer
x = 72,783,004.60
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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.