Finding the Fourth Proportional to 208,683,464.46, 313,085,780.64 and 84,121,810.49
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Solution
The fourth proportional to 208,683,464.46, 313,085,780.64 and 84,121,810.49 is: 126,207,137.55
Step by Step Solution
- Step 1: Write the proportion equation
208,683,464.46 : 313,085,780.64 = 84,121,810.49 : x - Step 2: Convert to fraction form
208,683,464.46/313,085,780.64 = 84,121,810.49/x - Step 3: Cross multiply
208,683,464.46x = 313,085,780.64 × 84,121,810.49 - Step 4: Simplify right side
208,683,464.46x = 26,337,342,704,546,360 - Step 5: Solve for x
x = 26,337,342,704,546,360/208,683,464.46 - Step 6: Final answer
x = 126,207,137.55
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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.