Finding the Fourth Proportional to 212,826,600.44, 293,700,578.69 and 115,041,456.44
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Solution
The fourth proportional to 212,826,600.44, 293,700,578.69 and 115,041,456.44 is: 158,757,139.66
Step by Step Solution
- Step 1: Write the proportion equation
212,826,600.44 : 293,700,578.69 = 115,041,456.44 : x - Step 2: Convert to fraction form
212,826,600.44/293,700,578.69 = 115,041,456.44/x - Step 3: Cross multiply
212,826,600.44x = 293,700,578.69 × 115,041,456.44 - Step 4: Simplify right side
212,826,600.44x = 33,787,742,327,724,720 - Step 5: Solve for x
x = 33,787,742,327,724,720/212,826,600.44 - Step 6: Final answer
x = 158,757,139.66
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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.