Finding the Fourth Proportional to 198,651,580.36, 274,137,005.30 and 109,341,615.08
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Solution
The fourth proportional to 198,651,580.36, 274,137,005.30 and 109,341,615.08 is: 150,890,231.32
Step by Step Solution
- Step 1: Write the proportion equation
198,651,580.36 : 274,137,005.30 = 109,341,615.08 : x - Step 2: Convert to fraction form
198,651,580.36/274,137,005.30 = 109,341,615.08/x - Step 3: Cross multiply
198,651,580.36x = 274,137,005.30 × 109,341,615.08 - Step 4: Simplify right side
198,651,580.36x = 29,974,582,912,696,520 - Step 5: Solve for x
x = 29,974,582,912,696,520/198,651,580.36 - Step 6: Final answer
x = 150,890,231.32
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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.