Finding the Fourth Proportional to 189,028,879.68, 283,543,319.68 and 45,421,711.68
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Solution
The fourth proportional to 189,028,879.68, 283,543,319.68 and 45,421,711.68 is: 68,132,567.56
Step by Step Solution
- Step 1: Write the proportion equation
189,028,879.68 : 283,543,319.68 = 45,421,711.68 : x - Step 2: Convert to fraction form
189,028,879.68/283,543,319.68 = 45,421,711.68/x - Step 3: Cross multiply
189,028,879.68x = 283,543,319.68 × 45,421,711.68 - Step 4: Simplify right side
189,028,879.68x = 12,879,022,915,295,030 - Step 5: Solve for x
x = 12,879,022,915,295,030/189,028,879.68 - Step 6: Final answer
x = 68,132,567.56
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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.