Finding the Fourth Proportional to 205,283,467.91, 283,288,840.16 and 111,195,841.07
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Solution
The fourth proportional to 205,283,467.91, 283,288,840.16 and 111,195,841.07 is: 153,448,990.16
Step by Step Solution
- Step 1: Write the proportion equation
205,283,467.91 : 283,288,840.16 = 111,195,841.07 : x - Step 2: Convert to fraction form
205,283,467.91/283,288,840.16 = 111,195,841.07/x - Step 3: Cross multiply
205,283,467.91x = 283,288,840.16 × 111,195,841.07 - Step 4: Simplify right side
205,283,467.91x = 31,500,540,847,335,996 - Step 5: Solve for x
x = 31,500,540,847,335,996/205,283,467.91 - Step 6: Final answer
x = 153,448,990.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.