Finding the Fourth Proportional to 168,446,719.80, 252,670,079.70 and 161,750,563.20
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Solution
The fourth proportional to 168,446,719.80, 252,670,079.70 and 161,750,563.20 is: 242,625,844.80
Step by Step Solution
- Step 1: Write the proportion equation
168,446,719.80 : 252,670,079.70 = 161,750,563.20 : x - Step 2: Convert to fraction form
168,446,719.80/252,670,079.70 = 161,750,563.20/x - Step 3: Cross multiply
168,446,719.80x = 252,670,079.70 × 161,750,563.20 - Step 4: Simplify right side
168,446,719.80x = 40,869,527,695,263,880 - Step 5: Solve for x
x = 40,869,527,695,263,880/168,446,719.80 - Step 6: Final answer
x = 242,625,844.80
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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.