Finding the Fourth Proportional to 168,246,187.68, 252,156,994.57 and 85,268,789.10
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Solution
The fourth proportional to 168,246,187.68, 252,156,994.57 and 85,268,789.10 is: 127,795,594.58
Step by Step Solution
- Step 1: Write the proportion equation
168,246,187.68 : 252,156,994.57 = 85,268,789.10 : x - Step 2: Convert to fraction form
168,246,187.68/252,156,994.57 = 85,268,789.10/x - Step 3: Cross multiply
168,246,187.68x = 252,156,994.57 × 85,268,789.10 - Step 4: Simplify right side
168,246,187.68x = 21,501,121,589,705,696 - Step 5: Solve for x
x = 21,501,121,589,705,696/168,246,187.68 - Step 6: Final answer
x = 127,795,594.58
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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.