Finding the Fourth Proportional to 305,998,939.99, 459,088,464.35 and 98,733,462.40
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Solution
The fourth proportional to 305,998,939.99, 459,088,464.35 and 98,733,462.40 is: 148,129,250.50
Step by Step Solution
- Step 1: Write the proportion equation
305,998,939.99 : 459,088,464.35 = 98,733,462.40 : x - Step 2: Convert to fraction form
305,998,939.99/459,088,464.35 = 98,733,462.40/x - Step 3: Cross multiply
305,998,939.99x = 459,088,464.35 × 98,733,462.40 - Step 4: Simplify right side
305,998,939.99x = 45,327,393,633,995,160 - Step 5: Solve for x
x = 45,327,393,633,995,160/305,998,939.99 - Step 6: Final answer
x = 148,129,250.50
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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.