Finding the Fourth Proportional to 43,011,961.60, 64,517,942.40 and 29,387,027.20
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Solution
The fourth proportional to 43,011,961.60, 64,517,942.40 and 29,387,027.20 is: 44,080,540.80
Step by Step Solution
- Step 1: Write the proportion equation
43,011,961.60 : 64,517,942.40 = 29,387,027.20 : x - Step 2: Convert to fraction form
43,011,961.60/64,517,942.40 = 29,387,027.20/x - Step 3: Cross multiply
43,011,961.60x = 64,517,942.40 × 29,387,027.20 - Step 4: Simplify right side
43,011,961.60x = 1,895,990,528,196,833.25 - Step 5: Solve for x
x = 1,895,990,528,196,833.25/43,011,961.60 - Step 6: Final answer
x = 44,080,540.80
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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.