Finding the Fourth Proportional to 49,730,512.76, 68,131,045.56 and 47,866,625.08
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Solution
The fourth proportional to 49,730,512.76, 68,131,045.56 and 47,866,625.08 is: 65,577,510.32
Step by Step Solution
- Step 1: Write the proportion equation
49,730,512.76 : 68,131,045.56 = 47,866,625.08 : x - Step 2: Convert to fraction form
49,730,512.76/68,131,045.56 = 47,866,625.08/x - Step 3: Cross multiply
49,730,512.76x = 68,131,045.56 × 47,866,625.08 - Step 4: Simplify right side
49,730,512.76x = 3,261,203,214,138,091 - Step 5: Solve for x
x = 3,261,203,214,138,091/49,730,512.76 - Step 6: Final answer
x = 65,577,510.32
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.