Finding the Fourth Proportional to 163,314,581.70, 244,971,872.55 and 81,685,244.10
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Solution
The fourth proportional to 163,314,581.70, 244,971,872.55 and 81,685,244.10 is: 122,527,866.15
Step by Step Solution
- Step 1: Write the proportion equation
163,314,581.70 : 244,971,872.55 = 81,685,244.10 : x - Step 2: Convert to fraction form
163,314,581.70/244,971,872.55 = 81,685,244.10/x - Step 3: Cross multiply
163,314,581.70x = 244,971,872.55 × 81,685,244.10 - Step 4: Simplify right side
163,314,581.70x = 20,010,587,206,880,840 - Step 5: Solve for x
x = 20,010,587,206,880,840/163,314,581.70 - Step 6: Final answer
x = 122,527,866.15
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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.