Finding the Fourth Proportional to 189,023,048.70, 283,534,573.05 and 143,673,416.70
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Solution
The fourth proportional to 189,023,048.70, 283,534,573.05 and 143,673,416.70 is: 215,510,125.05
Step by Step Solution
- Step 1: Write the proportion equation
189,023,048.70 : 283,534,573.05 = 143,673,416.70 : x - Step 2: Convert to fraction form
189,023,048.70/283,534,573.05 = 143,673,416.70/x - Step 3: Cross multiply
189,023,048.70x = 283,534,573.05 × 143,673,416.70 - Step 4: Simplify right side
189,023,048.70x = 40,736,380,862,669,240 - Step 5: Solve for x
x = 40,736,380,862,669,240/189,023,048.70 - Step 6: Final answer
x = 215,510,125.05
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Similar ratio
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1.5x scale
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.