Finding the Fourth Proportional to 166,860,490.80, 250,290,736.20 and 160,813,873.20
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Solution
The fourth proportional to 166,860,490.80, 250,290,736.20 and 160,813,873.20 is: 241,220,809.80
Step by Step Solution
- Step 1: Write the proportion equation
166,860,490.80 : 250,290,736.20 = 160,813,873.20 : x - Step 2: Convert to fraction form
166,860,490.80/250,290,736.20 = 160,813,873.20/x - Step 3: Cross multiply
166,860,490.80x = 250,290,736.20 × 160,813,873.20 - Step 4: Simplify right side
166,860,490.80x = 40,250,222,714,401,448 - Step 5: Solve for x
x = 40,250,222,714,401,448/166,860,490.80 - Step 6: Final answer
x = 241,220,809.80
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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.