Finding the Fourth Proportional to 118,474,549.16, 163,493,668.80 and 66,263,460.32
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Solution
The fourth proportional to 118,474,549.16, 163,493,668.80 and 66,263,460.32 is: 91,442,899.02
Step by Step Solution
- Step 1: Write the proportion equation
118,474,549.16 : 163,493,668.80 = 66,263,460.32 : x - Step 2: Convert to fraction form
118,474,549.16/163,493,668.80 = 66,263,460.32/x - Step 3: Cross multiply
118,474,549.16x = 163,493,668.80 × 66,263,460.32 - Step 4: Simplify right side
118,474,549.16x = 10,833,656,235,100,022 - Step 5: Solve for x
x = 10,833,656,235,100,022/118,474,549.16 - Step 6: Final answer
x = 91,442,899.02
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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.