Finding the Fourth Proportional to 201,910,721.14, 303,002,193.12 and 70,754,176.54
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Solution
The fourth proportional to 201,910,721.14, 303,002,193.12 and 70,754,176.54 is: 106,178,961.39
Step by Step Solution
- Step 1: Write the proportion equation
201,910,721.14 : 303,002,193.12 = 70,754,176.54 : x - Step 2: Convert to fraction form
201,910,721.14/303,002,193.12 = 70,754,176.54/x - Step 3: Cross multiply
201,910,721.14x = 303,002,193.12 × 70,754,176.54 - Step 4: Simplify right side
201,910,721.14x = 21,438,670,664,019,656 - Step 5: Solve for x
x = 21,438,670,664,019,656/201,910,721.14 - Step 6: Final answer
x = 106,178,961.39
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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.