Finding the Fourth Proportional to 49,299,845.19, 68,031,742.50 and 26,972,721.69
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Solution
The fourth proportional to 49,299,845.19, 68,031,742.50 and 26,972,721.69 is: 37,221,237.70
Step by Step Solution
- Step 1: Write the proportion equation
49,299,845.19 : 68,031,742.50 = 26,972,721.69 : x - Step 2: Convert to fraction form
49,299,845.19/68,031,742.50 = 26,972,721.69/x - Step 3: Cross multiply
49,299,845.19x = 68,031,742.50 × 26,972,721.69 - Step 4: Simplify right side
49,299,845.19x = 1,835,001,256,538,245 - Step 5: Solve for x
x = 1,835,001,256,538,245/49,299,845.19 - Step 6: Final answer
x = 37,221,237.70
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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.