Finding the Fourth Proportional to 171,657,748.53, 236,858,974.63 and 101,107,405.74
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Solution
The fourth proportional to 171,657,748.53, 236,858,974.63 and 101,107,405.74 is: 139,511,304.65
Step by Step Solution
- Step 1: Write the proportion equation
171,657,748.53 : 236,858,974.63 = 101,107,405.74 : x - Step 2: Convert to fraction form
171,657,748.53/236,858,974.63 = 101,107,405.74/x - Step 3: Cross multiply
171,657,748.53x = 236,858,974.63 × 101,107,405.74 - Step 4: Simplify right side
171,657,748.53x = 23,948,196,450,570,240 - Step 5: Solve for x
x = 23,948,196,450,570,240/171,657,748.53 - Step 6: Final answer
x = 139,511,304.65
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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.