Finding the Fourth Proportional to 205,358,304.98, 283,394,709.98 and 111,272,377.64
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Solution
The fourth proportional to 205,358,304.98, 283,394,709.98 and 111,272,377.64 is: 153,556,016.12
Step by Step Solution
- Step 1: Write the proportion equation
205,358,304.98 : 283,394,709.98 = 111,272,377.64 : x - Step 2: Convert to fraction form
205,358,304.98/283,394,709.98 = 111,272,377.64/x - Step 3: Cross multiply
205,358,304.98x = 283,394,709.98 × 111,272,377.64 - Step 4: Simplify right side
205,358,304.98x = 31,534,003,188,099,504 - Step 5: Solve for x
x = 31,534,003,188,099,504/205,358,304.98 - Step 6: Final answer
x = 153,556,016.12
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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.