Finding the Fourth Proportional to 48,143,622.98, 66,438,199.71 and 27,517,512.03
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Solution
The fourth proportional to 48,143,622.98, 66,438,199.71 and 27,517,512.03 is: 37,974,166.60
Step by Step Solution
- Step 1: Write the proportion equation
48,143,622.98 : 66,438,199.71 = 27,517,512.03 : x - Step 2: Convert to fraction form
48,143,622.98/66,438,199.71 = 27,517,512.03/x - Step 3: Cross multiply
48,143,622.98x = 66,438,199.71 × 27,517,512.03 - Step 4: Simplify right side
48,143,622.98x = 1,828,213,959,771,467.50 - Step 5: Solve for x
x = 1,828,213,959,771,467.50/48,143,622.98 - Step 6: Final answer
x = 37,974,166.60
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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.