Finding the Fourth Proportional to 102,884,838.13, 141,981,232.11 and 55,841,928.49
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Solution
The fourth proportional to 102,884,838.13, 141,981,232.11 and 55,841,928.49 is: 77,061,945.71
Step by Step Solution
- Step 1: Write the proportion equation
102,884,838.13 : 141,981,232.11 = 55,841,928.49 : x - Step 2: Convert to fraction form
102,884,838.13/141,981,232.11 = 55,841,928.49/x - Step 3: Cross multiply
102,884,838.13x = 141,981,232.11 × 55,841,928.49 - Step 4: Simplify right side
102,884,838.13x = 7,928,505,809,698,806 - Step 5: Solve for x
x = 7,928,505,809,698,806/102,884,838.13 - Step 6: Final answer
x = 77,061,945.71
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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.