Finding the Fourth Proportional to 306,067,927.05, 422,370,301.37 and 166,835,633.85
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Solution
The fourth proportional to 306,067,927.05, 422,370,301.37 and 166,835,633.85 is: 230,231,300.70
Step by Step Solution
- Step 1: Write the proportion equation
306,067,927.05 : 422,370,301.37 = 166,835,633.85 : x - Step 2: Convert to fraction form
306,067,927.05/422,370,301.37 = 166,835,633.85/x - Step 3: Cross multiply
306,067,927.05x = 422,370,301.37 × 166,835,633.85 - Step 4: Simplify right side
306,067,927.05x = 70,466,416,947,645,296 - Step 5: Solve for x
x = 70,466,416,947,645,296/306,067,927.05 - Step 6: Final answer
x = 230,231,300.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.