Finding the Fourth Proportional to 84,805,101.09, 127,233,190.26 and 30,210,560.82
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Solution
The fourth proportional to 84,805,101.09, 127,233,190.26 and 30,210,560.82 is: 45,324,938.99
Step by Step Solution
- Step 1: Write the proportion equation
84,805,101.09 : 127,233,190.26 = 30,210,560.82 : x - Step 2: Convert to fraction form
84,805,101.09/127,233,190.26 = 30,210,560.82/x - Step 3: Cross multiply
84,805,101.09x = 127,233,190.26 × 30,210,560.82 - Step 4: Simplify right side
84,805,101.09x = 3,843,786,032,672,362 - Step 5: Solve for x
x = 3,843,786,032,672,362/84,805,101.09 - Step 6: Final answer
x = 45,324,938.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.