Finding the Fourth Proportional to 50,270,085.47, 69,372,243 and 27,942,486.09
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Solution
The fourth proportional to 50,270,085.47, 69,372,243 and 27,942,486.09 is: 38,560,366.81
Step by Step Solution
- Step 1: Write the proportion equation
50,270,085.47 : 69,372,243 = 27,942,486.09 : x - Step 2: Convert to fraction form
50,270,085.47/69,372,243 = 27,942,486.09/x - Step 3: Cross multiply
50,270,085.47x = 69,372,243 × 27,942,486.09 - Step 4: Simplify right side
50,270,085.47x = 1,938,432,935,059,599.75 - Step 5: Solve for x
x = 1,938,432,935,059,599.75/50,270,085.47 - Step 6: Final answer
x = 38,560,366.81
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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.