Finding the Fourth Proportional to 150,132,236.03, 225,232,311.20 and 81,043,556.63
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Solution
The fourth proportional to 150,132,236.03, 225,232,311.20 and 81,043,556.63 is: 121,583,665.50
Step by Step Solution
- Step 1: Write the proportion equation
150,132,236.03 : 225,232,311.20 = 81,043,556.63 : x - Step 2: Convert to fraction form
150,132,236.03/225,232,311.20 = 81,043,556.63/x - Step 3: Cross multiply
150,132,236.03x = 225,232,311.20 × 81,043,556.63 - Step 4: Simplify right side
150,132,236.03x = 18,253,627,566,111,604 - Step 5: Solve for x
x = 18,253,627,566,111,604/150,132,236.03 - Step 6: Final answer
x = 121,583,665.50
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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.