Finding the Fourth Proportional to 91,840,460.64, 126,738,749.58 and 50,024,394.62
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Solution
The fourth proportional to 91,840,460.64, 126,738,749.58 and 50,024,394.62 is: 69,033,072.99
Step by Step Solution
- Step 1: Write the proportion equation
91,840,460.64 : 126,738,749.58 = 50,024,394.62 : x - Step 2: Convert to fraction form
91,840,460.64/126,738,749.58 = 50,024,394.62/x - Step 3: Cross multiply
91,840,460.64x = 126,738,749.58 × 50,024,394.62 - Step 4: Simplify right side
91,840,460.64x = 6,340,029,222,635,279 - Step 5: Solve for x
x = 6,340,029,222,635,279/91,840,460.64 - Step 6: Final answer
x = 69,033,072.99
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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.