Finding the Fourth Proportional to 69,984,086.20, 104,976,129.30 and 44,537,903.80
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Solution
The fourth proportional to 69,984,086.20, 104,976,129.30 and 44,537,903.80 is: 66,806,855.70
Step by Step Solution
- Step 1: Write the proportion equation
69,984,086.20 : 104,976,129.30 = 44,537,903.80 : x - Step 2: Convert to fraction form
69,984,086.20/104,976,129.30 = 44,537,903.80/x - Step 3: Cross multiply
69,984,086.20x = 104,976,129.30 × 44,537,903.80 - Step 4: Simplify right side
69,984,086.20x = 4,675,416,748,059,761 - Step 5: Solve for x
x = 4,675,416,748,059,761/69,984,086.20 - Step 6: Final answer
x = 66,806,855.70
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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.