Finding the Fourth Proportional to 84,016,429.38, 125,786,985.62 and 44,534,721.02
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Solution
The fourth proportional to 84,016,429.38, 125,786,985.62 and 44,534,721.02 is: 66,676,105.53
Step by Step Solution
- Step 1: Write the proportion equation
84,016,429.38 : 125,786,985.62 = 44,534,721.02 : x - Step 2: Convert to fraction form
84,016,429.38/125,786,985.62 = 44,534,721.02/x - Step 3: Cross multiply
84,016,429.38x = 125,786,985.62 × 44,534,721.02 - Step 4: Simplify right side
84,016,429.38x = 5,601,888,311,681,843 - Step 5: Solve for x
x = 5,601,888,311,681,843/84,016,429.38 - Step 6: Final answer
x = 66,676,105.53
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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.