Finding the Fourth Proportional to 211,795,851.12, 292,246,456.32 and 118,958,575.92
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Solution
The fourth proportional to 211,795,851.12, 292,246,456.32 and 118,958,575.92 is: 164,144,963.55
Step by Step Solution
- Step 1: Write the proportion equation
211,795,851.12 : 292,246,456.32 = 118,958,575.92 : x - Step 2: Convert to fraction form
211,795,851.12/292,246,456.32 = 118,958,575.92/x - Step 3: Cross multiply
211,795,851.12x = 292,246,456.32 × 118,958,575.92 - Step 4: Simplify right side
211,795,851.12x = 34,765,222,261,493,684 - Step 5: Solve for x
x = 34,765,222,261,493,684/211,795,851.12 - Step 6: Final answer
x = 164,144,963.55
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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.