Finding the Fourth Proportional to 124,416,512.20, 186,624,768.30 and 93,511,577.80
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Solution
The fourth proportional to 124,416,512.20, 186,624,768.30 and 93,511,577.80 is: 140,267,366.70
Step by Step Solution
- Step 1: Write the proportion equation
124,416,512.20 : 186,624,768.30 = 93,511,577.80 : x - Step 2: Convert to fraction form
124,416,512.20/186,624,768.30 = 93,511,577.80/x - Step 3: Cross multiply
124,416,512.20x = 186,624,768.30 × 93,511,577.80 - Step 4: Simplify right side
124,416,512.20x = 17,451,576,540,292,424 - Step 5: Solve for x
x = 17,451,576,540,292,424/124,416,512.20 - Step 6: Final answer
x = 140,267,366.70
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1.5x scale
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.