Finding the Fourth Proportional to 262,236,701.80, 393,355,052.70 and 126,187,805.80
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Solution
The fourth proportional to 262,236,701.80, 393,355,052.70 and 126,187,805.80 is: 189,281,708.70
Step by Step Solution
- Step 1: Write the proportion equation
262,236,701.80 : 393,355,052.70 = 126,187,805.80 : x - Step 2: Convert to fraction form
262,236,701.80/393,355,052.70 = 126,187,805.80/x - Step 3: Cross multiply
262,236,701.80x = 393,355,052.70 × 126,187,805.80 - Step 4: Simplify right side
262,236,701.80x = 49,636,611,000,556,360 - Step 5: Solve for x
x = 49,636,611,000,556,360/262,236,701.80 - Step 6: Final answer
x = 189,281,708.70
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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.