Finding the Fourth Proportional to 117,719,452.14, 162,451,554.70 and 64,795,028.26
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Solution
The fourth proportional to 117,719,452.14, 162,451,554.70 and 64,795,028.26 is: 89,416,429.36
Step by Step Solution
- Step 1: Write the proportion equation
117,719,452.14 : 162,451,554.70 = 64,795,028.26 : x - Step 2: Convert to fraction form
117,719,452.14/162,451,554.70 = 64,795,028.26/x - Step 3: Cross multiply
117,719,452.14x = 162,451,554.70 × 64,795,028.26 - Step 4: Simplify right side
117,719,452.14x = 10,526,053,076,531,202 - Step 5: Solve for x
x = 10,526,053,076,531,202/117,719,452.14 - Step 6: Final answer
x = 89,416,429.36
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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.