Finding the Fourth Proportional to 168,246,197.82, 252,157,009.71 and 85,268,799.24
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Solution
The fourth proportional to 168,246,197.82, 252,157,009.71 and 85,268,799.24 is: 127,795,609.75
Step by Step Solution
- Step 1: Write the proportion equation
168,246,197.82 : 252,157,009.71 = 85,268,799.24 : x - Step 2: Convert to fraction form
168,246,197.82/252,157,009.71 = 85,268,799.24/x - Step 3: Cross multiply
168,246,197.82x = 252,157,009.71 × 85,268,799.24 - Step 4: Simplify right side
168,246,197.82x = 21,501,125,437,920,720 - Step 5: Solve for x
x = 21,501,125,437,920,720/168,246,197.82 - Step 6: Final answer
x = 127,795,609.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.