Finding the Fourth Proportional to 69,876,939.60, 104,909,887.80 and 44,367,771.60
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Solution
The fourth proportional to 69,876,939.60, 104,909,887.80 and 44,367,771.60 is: 66,611,645.66
Step by Step Solution
- Step 1: Write the proportion equation
69,876,939.60 : 104,909,887.80 = 44,367,771.60 : x - Step 2: Convert to fraction form
69,876,939.60/104,909,887.80 = 44,367,771.60/x - Step 3: Cross multiply
69,876,939.60x = 104,909,887.80 × 44,367,771.60 - Step 4: Simplify right side
69,876,939.60x = 4,654,617,940,492,027 - Step 5: Solve for x
x = 4,654,617,940,492,027/69,876,939.60 - Step 6: Final answer
x = 66,611,645.66
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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.