Finding the Fourth Proportional to 129,546,678.47, 194,354,050.73 and 46,556,809.92
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Solution
The fourth proportional to 129,546,678.47, 194,354,050.73 and 46,556,809.92 is: 69,847,445.75
Step by Step Solution
- Step 1: Write the proportion equation
129,546,678.47 : 194,354,050.73 = 46,556,809.92 : x - Step 2: Convert to fraction form
129,546,678.47/194,354,050.73 = 46,556,809.92/x - Step 3: Cross multiply
129,546,678.47x = 194,354,050.73 × 46,556,809.92 - Step 4: Simplify right side
129,546,678.47x = 9,048,504,596,785,864 - Step 5: Solve for x
x = 9,048,504,596,785,864/129,546,678.47 - Step 6: Final answer
x = 69,847,445.75
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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.