Finding the Fourth Proportional to 129,546,653.13, 194,354,012.79 and 46,556,784.65
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Solution
The fourth proportional to 129,546,653.13, 194,354,012.79 and 46,556,784.65 is: 69,847,407.87
Step by Step Solution
- Step 1: Write the proportion equation
129,546,653.13 : 194,354,012.79 = 46,556,784.65 : x - Step 2: Convert to fraction form
129,546,653.13/194,354,012.79 = 46,556,784.65/x - Step 3: Cross multiply
129,546,653.13x = 194,354,012.79 × 46,556,784.65 - Step 4: Simplify right side
129,546,653.13x = 9,048,497,919,813,262 - Step 5: Solve for x
x = 9,048,497,919,813,262/129,546,653.13 - Step 6: Final answer
x = 69,847,407.87
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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.