Finding the Fourth Proportional to 84,016,429.49, 125,786,985.71 and 44,534,721.06
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Solution
The fourth proportional to 84,016,429.49, 125,786,985.71 and 44,534,721.06 is: 66,676,105.56
Step by Step Solution
- Step 1: Write the proportion equation
84,016,429.49 : 125,786,985.71 = 44,534,721.06 : x - Step 2: Convert to fraction form
84,016,429.49/125,786,985.71 = 44,534,721.06/x - Step 3: Cross multiply
84,016,429.49x = 125,786,985.71 × 44,534,721.06 - Step 4: Simplify right side
84,016,429.49x = 5,601,888,321,350,383 - Step 5: Solve for x
x = 5,601,888,321,350,383/84,016,429.49 - Step 6: Final answer
x = 66,676,105.56
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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.