Finding the Fourth Proportional to 68,803,112.52, 103,091,236.38 and 39,968,304.84
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Solution
The fourth proportional to 68,803,112.52, 103,091,236.38 and 39,968,304.84 is: 59,886,563.43
Step by Step Solution
- Step 1: Write the proportion equation
68,803,112.52 : 103,091,236.38 = 39,968,304.84 : x - Step 2: Convert to fraction form
68,803,112.52/103,091,236.38 = 39,968,304.84/x - Step 3: Cross multiply
68,803,112.52x = 103,091,236.38 × 39,968,304.84 - Step 4: Simplify right side
68,803,112.52x = 4,120,381,961,968,338.50 - Step 5: Solve for x
x = 4,120,381,961,968,338.50/68,803,112.52 - Step 6: Final answer
x = 59,886,563.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.