Finding the Fourth Proportional to 145,759,744.58, 201,149,785.94 and 83,034,912.91
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Solution
The fourth proportional to 145,759,744.58, 201,149,785.94 and 83,034,912.91 is: 114,588,942.27
Step by Step Solution
- Step 1: Write the proportion equation
145,759,744.58 : 201,149,785.94 = 83,034,912.91 : x - Step 2: Convert to fraction form
145,759,744.58/201,149,785.94 = 83,034,912.91/x - Step 3: Cross multiply
145,759,744.58x = 201,149,785.94 × 83,034,912.91 - Step 4: Simplify right side
145,759,744.58x = 16,702,454,956,677,378 - Step 5: Solve for x
x = 16,702,454,956,677,378/145,759,744.58 - Step 6: Final answer
x = 114,588,942.27
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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.