Finding the Fourth Proportional to 144,884,938.09, 199,923,055.17 and 97,944,144.70
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Solution
The fourth proportional to 144,884,938.09, 199,923,055.17 and 97,944,144.70 is: 135,150,643.69
Step by Step Solution
- Step 1: Write the proportion equation
144,884,938.09 : 199,923,055.17 = 97,944,144.70 : x - Step 2: Convert to fraction form
144,884,938.09/199,923,055.17 = 97,944,144.70/x - Step 3: Cross multiply
144,884,938.09x = 199,923,055.17 × 97,944,144.70 - Step 4: Simplify right side
144,884,938.09x = 19,581,292,644,436,564 - Step 5: Solve for x
x = 19,581,292,644,436,564/144,884,938.09 - Step 6: Final answer
x = 135,150,643.69
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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.