Finding the Fourth Proportional to 54,305,034.36, 74,942,416.95 and 29,526,884.79
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Solution
The fourth proportional to 54,305,034.36, 74,942,416.95 and 29,526,884.79 is: 40,747,900.03
Step by Step Solution
- Step 1: Write the proportion equation
54,305,034.36 : 74,942,416.95 = 29,526,884.79 : x - Step 2: Convert to fraction form
54,305,034.36/74,942,416.95 = 29,526,884.79/x - Step 3: Cross multiply
54,305,034.36x = 74,942,416.95 × 29,526,884.79 - Step 4: Simplify right side
54,305,034.36x = 2,212,816,111,166,793.25 - Step 5: Solve for x
x = 2,212,816,111,166,793.25/54,305,034.36 - Step 6: Final answer
x = 40,747,900.03
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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.