Finding the Fourth Proportional to 248,558,519.70, 372,415,868.06 and 149,983,105.07
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Solution
The fourth proportional to 248,558,519.70, 372,415,868.06 and 149,983,105.07 is: 224,720,071.30
Step by Step Solution
- Step 1: Write the proportion equation
248,558,519.70 : 372,415,868.06 = 149,983,105.07 : x - Step 2: Convert to fraction form
248,558,519.70/372,415,868.06 = 149,983,105.07/x - Step 3: Cross multiply
248,558,519.70x = 372,415,868.06 × 149,983,105.07 - Step 4: Simplify right side
248,558,519.70x = 55,856,088,269,159,360 - Step 5: Solve for x
x = 55,856,088,269,159,360/248,558,519.70 - Step 6: Final answer
x = 224,720,071.30
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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.