Finding the Fourth Proportional to 204,237,653.80, 281,809,415.06 and 121,739,114.92
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Solution
The fourth proportional to 204,237,653.80, 281,809,415.06 and 121,739,114.92 is: 167,977,001.92
Step by Step Solution
- Step 1: Write the proportion equation
204,237,653.80 : 281,809,415.06 = 121,739,114.92 : x - Step 2: Convert to fraction form
204,237,653.80/281,809,415.06 = 121,739,114.92/x - Step 3: Cross multiply
204,237,653.80x = 281,809,415.06 × 121,739,114.92 - Step 4: Simplify right side
204,237,653.80x = 34,307,228,764,858,332 - Step 5: Solve for x
x = 34,307,228,764,858,332/204,237,653.80 - Step 6: Final answer
x = 167,977,001.92
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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.