Finding the Fourth Proportional to 68,559,564.42, 102,785,236.56 and 33,992,132.31
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Solution
The fourth proportional to 68,559,564.42, 102,785,236.56 and 33,992,132.31 is: 50,961,370.46
Step by Step Solution
- Step 1: Write the proportion equation
68,559,564.42 : 102,785,236.56 = 33,992,132.31 : x - Step 2: Convert to fraction form
68,559,564.42/102,785,236.56 = 33,992,132.31/x - Step 3: Cross multiply
68,559,564.42x = 102,785,236.56 × 33,992,132.31 - Step 4: Simplify right side
68,559,564.42x = 3,493,889,360,662,169.50 - Step 5: Solve for x
x = 3,493,889,360,662,169.50/68,559,564.42 - Step 6: Final answer
x = 50,961,370.46
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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.