Finding the Fourth Proportional to 73,874,342.16, 101,946,378.60 and 41,279,320.08
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Solution
The fourth proportional to 73,874,342.16, 101,946,378.60 and 41,279,320.08 is: 56,965,342.37
Step by Step Solution
- Step 1: Write the proportion equation
73,874,342.16 : 101,946,378.60 = 41,279,320.08 : x - Step 2: Convert to fraction form
73,874,342.16/101,946,378.60 = 41,279,320.08/x - Step 3: Cross multiply
73,874,342.16x = 101,946,378.60 × 41,279,320.08 - Step 4: Simplify right side
73,874,342.16x = 4,208,277,193,226,262 - Step 5: Solve for x
x = 4,208,277,193,226,262/73,874,342.16 - Step 6: Final answer
x = 56,965,342.37
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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.