Finding the Fourth Proportional to 64,276,173.50, 96,417,907.70 and 20,560,771.80
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Solution
The fourth proportional to 64,276,173.50, 96,417,907.70 and 20,560,771.80 is: 30,842,324.45
Step by Step Solution
- Step 1: Write the proportion equation
64,276,173.50 : 96,417,907.70 = 20,560,771.80 : x - Step 2: Convert to fraction form
64,276,173.50/96,417,907.70 = 20,560,771.80/x - Step 3: Cross multiply
64,276,173.50x = 96,417,907.70 × 20,560,771.80 - Step 4: Simplify right side
64,276,173.50x = 1,982,426,597,550,359 - Step 5: Solve for x
x = 1,982,426,597,550,359/64,276,173.50 - Step 6: Final answer
x = 30,842,324.45
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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.