Finding the Fourth Proportional to 147,744,154.85, 221,616,232.28 and 145,728,615.65
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Solution
The fourth proportional to 147,744,154.85, 221,616,232.28 and 145,728,615.65 is: 218,592,923.48
Step by Step Solution
- Step 1: Write the proportion equation
147,744,154.85 : 221,616,232.28 = 145,728,615.65 : x - Step 2: Convert to fraction form
147,744,154.85/221,616,232.28 = 145,728,615.65/x - Step 3: Cross multiply
147,744,154.85x = 221,616,232.28 × 145,728,615.65 - Step 4: Simplify right side
147,744,154.85x = 32,295,826,735,004,604 - Step 5: Solve for x
x = 32,295,826,735,004,604/147,744,154.85 - Step 6: Final answer
x = 218,592,923.48
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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.