Finding the Fourth Proportional to 73,984,656.30, 110,976,984.45 and 71,008,586.70
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Solution
The fourth proportional to 73,984,656.30, 110,976,984.45 and 71,008,586.70 is: 106,512,880.05
Step by Step Solution
- Step 1: Write the proportion equation
73,984,656.30 : 110,976,984.45 = 71,008,586.70 : x - Step 2: Convert to fraction form
73,984,656.30/110,976,984.45 = 71,008,586.70/x - Step 3: Cross multiply
73,984,656.30x = 110,976,984.45 × 71,008,586.70 - Step 4: Simplify right side
73,984,656.30x = 7,880,318,822,022,377 - Step 5: Solve for x
x = 7,880,318,822,022,377/73,984,656.30 - Step 6: Final answer
x = 106,512,880.05
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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.