Finding the Fourth Proportional to 248,193,760.80, 371,618,794.80 and 194,446,048.80
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Solution
The fourth proportional to 248,193,760.80, 371,618,794.80 and 194,446,048.80 is: 291,142,718.80
Step by Step Solution
- Step 1: Write the proportion equation
248,193,760.80 : 371,618,794.80 = 194,446,048.80 : x - Step 2: Convert to fraction form
248,193,760.80/371,618,794.80 = 194,446,048.80/x - Step 3: Cross multiply
248,193,760.80x = 371,618,794.80 × 194,446,048.80 - Step 4: Simplify right side
248,193,760.80x = 72,259,806,308,678,000 - Step 5: Solve for x
x = 72,259,806,308,678,000/248,193,760.80 - Step 6: Final answer
x = 291,142,718.80
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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.