Finding the Fourth Proportional to 146,745,048.75, 202,510,683.18 and 80,668,331.97
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Solution
The fourth proportional to 146,745,048.75, 202,510,683.18 and 80,668,331.97 is: 111,323,681.16
Step by Step Solution
- Step 1: Write the proportion equation
146,745,048.75 : 202,510,683.18 = 80,668,331.97 : x - Step 2: Convert to fraction form
146,745,048.75/202,510,683.18 = 80,668,331.97/x - Step 3: Cross multiply
146,745,048.75x = 202,510,683.18 × 80,668,331.97 - Step 4: Simplify right side
146,745,048.75x = 16,336,199,018,235,736 - Step 5: Solve for x
x = 16,336,199,018,235,736/146,745,048.75 - Step 6: Final answer
x = 111,323,681.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.