Finding the Fourth Proportional to 69,984,000.40, 104,976,000.60 and 44,348,861.20
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Solution
The fourth proportional to 69,984,000.40, 104,976,000.60 and 44,348,861.20 is: 66,523,291.80
Step by Step Solution
- Step 1: Write the proportion equation
69,984,000.40 : 104,976,000.60 = 44,348,861.20 : x - Step 2: Convert to fraction form
69,984,000.40/104,976,000.60 = 44,348,861.20/x - Step 3: Cross multiply
69,984,000.40x = 104,976,000.60 × 44,348,861.20 - Step 4: Simplify right side
69,984,000.40x = 4,655,566,079,940,517 - Step 5: Solve for x
x = 4,655,566,079,940,517/69,984,000.40 - Step 6: Final answer
x = 66,523,291.80
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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.