Finding the Fourth Proportional to 216,217,930.61, 324,382,143.64 and 62,863,987.05
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Solution
The fourth proportional to 216,217,930.61, 324,382,143.64 and 62,863,987.05 is: 94,312,043.50
Step by Step Solution
- Step 1: Write the proportion equation
216,217,930.61 : 324,382,143.64 = 62,863,987.05 : x - Step 2: Convert to fraction form
216,217,930.61/324,382,143.64 = 62,863,987.05/x - Step 3: Cross multiply
216,217,930.61x = 324,382,143.64 × 62,863,987.05 - Step 4: Simplify right side
216,217,930.61x = 20,391,954,876,879,040 - Step 5: Solve for x
x = 20,391,954,876,879,040/216,217,930.61 - Step 6: Final answer
x = 94,312,043.50
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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.