Finding the Fourth Proportional to 81,157,082.00, 121,737,395.27 and 48,836,021.36
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Solution
The fourth proportional to 81,157,082.00, 121,737,395.27 and 48,836,021.36 is: 73,255,098.50
Step by Step Solution
- Step 1: Write the proportion equation
81,157,082.00 : 121,737,395.27 = 48,836,021.36 : x - Step 2: Convert to fraction form
81,157,082.00/121,737,395.27 = 48,836,021.36/x - Step 3: Cross multiply
81,157,082.00x = 121,737,395.27 × 48,836,021.36 - Step 4: Simplify right side
81,157,082.00x = 5,945,170,035,229,885 - Step 5: Solve for x
x = 5,945,170,035,229,885/81,157,082.00 - Step 6: Final answer
x = 73,255,098.50
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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.