Finding the Fourth Proportional to 206,718,122.28, 285,277,470.26 and 118,628,233.64
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Solution
The fourth proportional to 206,718,122.28, 285,277,470.26 and 118,628,233.64 is: 163,710,670.46
Step by Step Solution
- Step 1: Write the proportion equation
206,718,122.28 : 285,277,470.26 = 118,628,233.64 : x - Step 2: Convert to fraction form
206,718,122.28/285,277,470.26 = 118,628,233.64/x - Step 3: Cross multiply
206,718,122.28x = 285,277,470.26 × 118,628,233.64 - Step 4: Simplify right side
206,718,122.28x = 33,841,962,394,231,432 - Step 5: Solve for x
x = 33,841,962,394,231,432/206,718,122.28 - Step 6: Final answer
x = 163,710,670.46
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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.