Finding the Fourth Proportional to 213,853,166.07, 295,066,787.95 and 121,033,673.88
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Solution
The fourth proportional to 213,853,166.07, 295,066,787.95 and 121,033,673.88 is: 166,997,842.69
Step by Step Solution
- Step 1: Write the proportion equation
213,853,166.07 : 295,066,787.95 = 121,033,673.88 : x - Step 2: Convert to fraction form
213,853,166.07/295,066,787.95 = 121,033,673.88/x - Step 3: Cross multiply
213,853,166.07x = 295,066,787.95 × 121,033,673.88 - Step 4: Simplify right side
213,853,166.07x = 35,713,017,385,559,412 - Step 5: Solve for x
x = 35,713,017,385,559,412/213,853,166.07 - Step 6: Final answer
x = 166,997,842.69
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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.