Finding the Fourth Proportional to 50,129,893.71, 69,178,222.44 and 27,799,276.20
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Solution
The fourth proportional to 50,129,893.71, 69,178,222.44 and 27,799,276.20 is: 38,362,429.49
Step by Step Solution
- Step 1: Write the proportion equation
50,129,893.71 : 69,178,222.44 = 27,799,276.20 : x - Step 2: Convert to fraction form
50,129,893.71/69,178,222.44 = 27,799,276.20/x - Step 3: Cross multiply
50,129,893.71x = 69,178,222.44 × 27,799,276.20 - Step 4: Simplify right side
50,129,893.71x = 1,923,104,512,634,597.75 - Step 5: Solve for x
x = 1,923,104,512,634,597.75/50,129,893.71 - Step 6: Final answer
x = 38,362,429.49
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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.