Finding the Fourth Proportional to 135,108,784.35, 202,586,378.81 and 53,183,249.19
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Solution
The fourth proportional to 135,108,784.35, 202,586,378.81 and 53,183,249.19 is: 79,744,643.68
Step by Step Solution
- Step 1: Write the proportion equation
135,108,784.35 : 202,586,378.81 = 53,183,249.19 : x - Step 2: Convert to fraction form
135,108,784.35/202,586,378.81 = 53,183,249.19/x - Step 3: Cross multiply
135,108,784.35x = 202,586,378.81 × 53,183,249.19 - Step 4: Simplify right side
135,108,784.35x = 10,774,201,866,486,050 - Step 5: Solve for x
x = 10,774,201,866,486,050/135,108,784.35 - Step 6: Final answer
x = 79,744,643.68
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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.