Finding the Fourth Proportional to 50,996,811.49, 70,373,546.70 and 27,791,440.24
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Solution
The fourth proportional to 50,996,811.49, 70,373,546.70 and 27,791,440.24 is: 38,351,068.63
Step by Step Solution
- Step 1: Write the proportion equation
50,996,811.49 : 70,373,546.70 = 27,791,440.24 : x - Step 2: Convert to fraction form
50,996,811.49/70,373,546.70 = 27,791,440.24/x - Step 3: Cross multiply
50,996,811.49x = 70,373,546.70 × 27,791,440.24 - Step 4: Simplify right side
50,996,811.49x = 1,955,782,217,589,899.25 - Step 5: Solve for x
x = 1,955,782,217,589,899.25/50,996,811.49 - Step 6: Final answer
x = 38,351,068.63
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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.