Finding the Fourth Proportional to 197,585,325.20, 296,545,949.40 and 88,578,246.80
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Solution
The fourth proportional to 197,585,325.20, 296,545,949.40 and 88,578,246.80 is: 132,942,668.02
Step by Step Solution
- Step 1: Write the proportion equation
197,585,325.20 : 296,545,949.40 = 88,578,246.80 : x - Step 2: Convert to fraction form
197,585,325.20/296,545,949.40 = 88,578,246.80/x - Step 3: Cross multiply
197,585,325.20x = 296,545,949.40 × 88,578,246.80 - Step 4: Simplify right side
197,585,325.20x = 26,267,520,293,493,508 - Step 5: Solve for x
x = 26,267,520,293,493,508/197,585,325.20 - Step 6: Final answer
x = 132,942,668.02
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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.