Finding the Fourth Proportional to 84,542,175.45, 126,816,616.62 and 40,215,816.18
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Solution
The fourth proportional to 84,542,175.45, 126,816,616.62 and 40,215,816.18 is: 60,325,319.47
Step by Step Solution
- Step 1: Write the proportion equation
84,542,175.45 : 126,816,616.62 = 40,215,816.18 : x - Step 2: Convert to fraction form
84,542,175.45/126,816,616.62 = 40,215,816.18/x - Step 3: Cross multiply
84,542,175.45x = 126,816,616.62 × 40,215,816.18 - Step 4: Simplify right side
84,542,175.45x = 5,100,033,742,559,453 - Step 5: Solve for x
x = 5,100,033,742,559,453/84,542,175.45 - Step 6: Final answer
x = 60,325,319.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.