Finding the Fourth Proportional to 172,660,990.74, 258,527,389.23 and 131,524,468.26
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Solution
The fourth proportional to 172,660,990.74, 258,527,389.23 and 131,524,468.26 is: 196,933,176.70
Step by Step Solution
- Step 1: Write the proportion equation
172,660,990.74 : 258,527,389.23 = 131,524,468.26 : x - Step 2: Convert to fraction form
172,660,990.74/258,527,389.23 = 131,524,468.26/x - Step 3: Cross multiply
172,660,990.74x = 258,527,389.23 × 131,524,468.26 - Step 4: Simplify right side
172,660,990.74x = 34,002,677,399,121,800 - Step 5: Solve for x
x = 34,002,677,399,121,800/172,660,990.74 - Step 6: Final answer
x = 196,933,176.70
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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.