Finding the Fourth Proportional to 271,497,188.70, 407,245,783.05 and 98,979,630.30
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Solution
The fourth proportional to 271,497,188.70, 407,245,783.05 and 98,979,630.30 is: 148,469,445.45
Step by Step Solution
- Step 1: Write the proportion equation
271,497,188.70 : 407,245,783.05 = 98,979,630.30 : x - Step 2: Convert to fraction form
271,497,188.70/407,245,783.05 = 98,979,630.30/x - Step 3: Cross multiply
271,497,188.70x = 407,245,783.05 × 98,979,630.30 - Step 4: Simplify right side
271,497,188.70x = 40,309,037,047,523,008 - Step 5: Solve for x
x = 40,309,037,047,523,008/271,497,188.70 - Step 6: Final answer
x = 148,469,445.45
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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.