Finding the Fourth Proportional to 115,984,694.97, 174,086,374.68 and 42,279,715.35
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Solution
The fourth proportional to 115,984,694.97, 174,086,374.68 and 42,279,715.35 is: 63,459,427.73
Step by Step Solution
- Step 1: Write the proportion equation
115,984,694.97 : 174,086,374.68 = 42,279,715.35 : x - Step 2: Convert to fraction form
115,984,694.97/174,086,374.68 = 42,279,715.35/x - Step 3: Cross multiply
115,984,694.97x = 174,086,374.68 × 42,279,715.35 - Step 4: Simplify right side
115,984,694.97x = 7,360,322,367,783,848 - Step 5: Solve for x
x = 7,360,322,367,783,848/115,984,694.97 - Step 6: Final answer
x = 63,459,427.73
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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.