Finding the Fourth Proportional to 254,344,021.48, 350,974,738.02 and 144,335,734.12
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Solution
The fourth proportional to 254,344,021.48, 350,974,738.02 and 144,335,734.12 is: 199,171,956.84
Step by Step Solution
- Step 1: Write the proportion equation
254,344,021.48 : 350,974,738.02 = 144,335,734.12 : x - Step 2: Convert to fraction form
254,344,021.48/350,974,738.02 = 144,335,734.12/x - Step 3: Cross multiply
254,344,021.48x = 350,974,738.02 × 144,335,734.12 - Step 4: Simplify right side
254,344,021.48x = 50,658,196,469,691,376 - Step 5: Solve for x
x = 50,658,196,469,691,376/254,344,021.48 - Step 6: Final answer
x = 199,171,956.84
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1.5x scale
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.