Finding the Fourth Proportional to 84,678,340, 127,024,299.80 and 32,181,161.28
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Solution
The fourth proportional to 84,678,340, 127,024,299.80 and 32,181,161.28 is: 48,274,322.32
Step by Step Solution
- Step 1: Write the proportion equation
84,678,340 : 127,024,299.80 = 32,181,161.28 : x - Step 2: Convert to fraction form
84,678,340/127,024,299.80 = 32,181,161.28/x - Step 3: Cross multiply
84,678,340x = 127,024,299.80 × 32,181,161.28 - Step 4: Simplify right side
84,678,340x = 4,087,789,478,342,872 - Step 5: Solve for x
x = 4,087,789,478,342,872/84,678,340 - Step 6: Final answer
x = 48,274,322.32
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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.