Finding the Fourth Proportional to 57,462,450.70, 79,299,856.63 and 31,358,649.92
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Solution
The fourth proportional to 57,462,450.70, 79,299,856.63 and 31,358,649.92 is: 43,275,850.79
Step by Step Solution
- Step 1: Write the proportion equation
57,462,450.70 : 79,299,856.63 = 31,358,649.92 : x - Step 2: Convert to fraction form
57,462,450.70/79,299,856.63 = 31,358,649.92/x - Step 3: Cross multiply
57,462,450.70x = 79,299,856.63 × 31,358,649.92 - Step 4: Simplify right side
57,462,450.70x = 2,486,736,442,609,568 - Step 5: Solve for x
x = 2,486,736,442,609,568/57,462,450.70 - Step 6: Final answer
x = 43,275,850.79
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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.