Finding the Fourth Proportional to 129,537,246.40, 194,380,519.20 and 48,816,145.60
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Solution
The fourth proportional to 129,537,246.40, 194,380,519.20 and 48,816,145.60 is: 73,252,350.12
Step by Step Solution
- Step 1: Write the proportion equation
129,537,246.40 : 194,380,519.20 = 48,816,145.60 : x - Step 2: Convert to fraction form
129,537,246.40/194,380,519.20 = 48,816,145.60/x - Step 3: Cross multiply
129,537,246.40x = 194,380,519.20 × 48,816,145.60 - Step 4: Simplify right side
129,537,246.40x = 9,488,907,727,070,796 - Step 5: Solve for x
x = 9,488,907,727,070,796/129,537,246.40 - Step 6: Final answer
x = 73,252,350.12
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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.