Finding the Fourth Proportional to 198,629,706.15, 298,011,537.99 and 87,950,265.66
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Solution
The fourth proportional to 198,629,706.15, 298,011,537.99 and 87,950,265.66 is: 131,955,055.69
Step by Step Solution
- Step 1: Write the proportion equation
198,629,706.15 : 298,011,537.99 = 87,950,265.66 : x - Step 2: Convert to fraction form
198,629,706.15/298,011,537.99 = 87,950,265.66/x - Step 3: Cross multiply
198,629,706.15x = 298,011,537.99 × 87,950,265.66 - Step 4: Simplify right side
198,629,706.15x = 26,210,193,935,965,684 - Step 5: Solve for x
x = 26,210,193,935,965,684/198,629,706.15 - Step 6: Final answer
x = 131,955,055.69
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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.