Finding the Fourth Proportional to 79,741,455.75, 110,043,253.08 and 43,072,026.75
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Solution
The fourth proportional to 79,741,455.75, 110,043,253.08 and 43,072,026.75 is: 59,439,420.76
Step by Step Solution
- Step 1: Write the proportion equation
79,741,455.75 : 110,043,253.08 = 43,072,026.75 : x - Step 2: Convert to fraction form
79,741,455.75/110,043,253.08 = 43,072,026.75/x - Step 3: Cross multiply
79,741,455.75x = 110,043,253.08 × 43,072,026.75 - Step 4: Simplify right side
79,741,455.75x = 4,739,785,940,318,780 - Step 5: Solve for x
x = 4,739,785,940,318,780/79,741,455.75 - Step 6: Final answer
x = 59,439,420.76
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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.