Finding the Fourth Proportional to 137,786,414.70, 206,679,622.05 and 113,871,569.70
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Solution
The fourth proportional to 137,786,414.70, 206,679,622.05 and 113,871,569.70 is: 170,807,354.55
Step by Step Solution
- Step 1: Write the proportion equation
137,786,414.70 : 206,679,622.05 = 113,871,569.70 : x - Step 2: Convert to fraction form
137,786,414.70/206,679,622.05 = 113,871,569.70/x - Step 3: Cross multiply
137,786,414.70x = 206,679,622.05 × 113,871,569.70 - Step 4: Simplify right side
137,786,414.70x = 23,534,932,987,836,232 - Step 5: Solve for x
x = 23,534,932,987,836,232/137,786,414.70 - Step 6: Final answer
x = 170,807,354.55
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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.