Finding the Fourth Proportional to 271,497,176.70, 407,245,765.05 and 98,979,618.30
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Solution
The fourth proportional to 271,497,176.70, 407,245,765.05 and 98,979,618.30 is: 148,469,427.45
Step by Step Solution
- Step 1: Write the proportion equation
271,497,176.70 : 407,245,765.05 = 98,979,618.30 : x - Step 2: Convert to fraction form
271,497,176.70/407,245,765.05 = 98,979,618.30/x - Step 3: Cross multiply
271,497,176.70x = 407,245,765.05 × 98,979,618.30 - Step 4: Simplify right side
271,497,176.70x = 40,309,030,378,940,480 - Step 5: Solve for x
x = 40,309,030,378,940,480/271,497,176.70 - Step 6: Final answer
x = 148,469,427.45
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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.