Finding the Fourth Proportional to 221,392,493.80, 332,230,458.30 and 129,276,053.80
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Solution
The fourth proportional to 221,392,493.80, 332,230,458.30 and 129,276,053.80 is: 193,996,832.79
Step by Step Solution
- Step 1: Write the proportion equation
221,392,493.80 : 332,230,458.30 = 129,276,053.80 : x - Step 2: Convert to fraction form
221,392,493.80/332,230,458.30 = 129,276,053.80/x - Step 3: Cross multiply
221,392,493.80x = 332,230,458.30 × 129,276,053.80 - Step 4: Simplify right side
221,392,493.80x = 42,949,442,601,189,456 - Step 5: Solve for x
x = 42,949,442,601,189,456/221,392,493.80 - Step 6: Final answer
x = 193,996,832.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.