Finding the Fourth Proportional to 48,143,623.40, 66,438,200.30 and 27,517,512.45
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Solution
The fourth proportional to 48,143,623.40, 66,438,200.30 and 27,517,512.45 is: 37,974,167.19
Step by Step Solution
- Step 1: Write the proportion equation
48,143,623.40 : 66,438,200.30 = 27,517,512.45 : x - Step 2: Convert to fraction form
48,143,623.40/66,438,200.30 = 27,517,512.45/x - Step 3: Cross multiply
48,143,623.40x = 66,438,200.30 × 27,517,512.45 - Step 4: Simplify right side
48,143,623.40x = 1,828,214,003,773,256.25 - Step 5: Solve for x
x = 1,828,214,003,773,256.25/48,143,623.40 - Step 6: Final answer
x = 37,974,167.19
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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.