Finding the Fourth Proportional to 168,060,636.20, 252,072,291.90 and 137,715,573.80
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Solution
The fourth proportional to 168,060,636.20, 252,072,291.90 and 137,715,573.80 is: 206,558,067.99
Step by Step Solution
- Step 1: Write the proportion equation
168,060,636.20 : 252,072,291.90 = 137,715,573.80 : x - Step 2: Convert to fraction form
168,060,636.20/252,072,291.90 = 137,715,573.80/x - Step 3: Cross multiply
168,060,636.20x = 252,072,291.90 × 137,715,573.80 - Step 4: Simplify right side
168,060,636.20x = 34,714,280,318,089,596 - Step 5: Solve for x
x = 34,714,280,318,089,596/168,060,636.20 - Step 6: Final answer
x = 206,558,067.99
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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.