Finding the Fourth Proportional to 84,736,229.40, 127,116,153.90 and 36,213,697.80
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Solution
The fourth proportional to 84,736,229.40, 127,116,153.90 and 36,213,697.80 is: 54,325,593.85
Step by Step Solution
- Step 1: Write the proportion equation
84,736,229.40 : 127,116,153.90 = 36,213,697.80 : x - Step 2: Convert to fraction form
84,736,229.40/127,116,153.90 = 36,213,697.80/x - Step 3: Cross multiply
84,736,229.40x = 127,116,153.90 × 36,213,697.80 - Step 4: Simplify right side
84,736,229.40x = 4,603,345,982,832,891 - Step 5: Solve for x
x = 4,603,345,982,832,891/84,736,229.40 - Step 6: Final answer
x = 54,325,593.85
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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.