Finding the Fourth Proportional to 57,462,448.26, 79,299,853.26 and 31,358,647.49
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Solution
The fourth proportional to 57,462,448.26, 79,299,853.26 and 31,358,647.49 is: 43,275,847.43
Step by Step Solution
- Step 1: Write the proportion equation
57,462,448.26 : 79,299,853.26 = 31,358,647.49 : x - Step 2: Convert to fraction form
57,462,448.26/79,299,853.26 = 31,358,647.49/x - Step 3: Cross multiply
57,462,448.26x = 79,299,853.26 × 31,358,647.49 - Step 4: Simplify right side
57,462,448.26x = 2,486,736,143,992,568 - Step 5: Solve for x
x = 2,486,736,143,992,568/57,462,448.26 - Step 6: Final answer
x = 43,275,847.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.