Finding the Fourth Proportional to 75,207,958.94, 112,821,977.37 and 29,759,124.62
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Solution
The fourth proportional to 75,207,958.94, 112,821,977.37 and 29,759,124.62 is: 44,642,659.26
Step by Step Solution
- Step 1: Write the proportion equation
75,207,958.94 : 112,821,977.37 = 29,759,124.62 : x - Step 2: Convert to fraction form
75,207,958.94/112,821,977.37 = 29,759,124.62/x - Step 3: Cross multiply
75,207,958.94x = 112,821,977.37 × 29,759,124.62 - Step 4: Simplify right side
75,207,958.94x = 3,357,483,284,428,650 - Step 5: Solve for x
x = 3,357,483,284,428,650/75,207,958.94 - Step 6: Final answer
x = 44,642,659.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.