Finding the Fourth Proportional to 211,328,038.09, 291,599,804.23 and 120,800,236.43
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Solution
The fourth proportional to 211,328,038.09, 291,599,804.23 and 120,800,236.43 is: 166,685,526.50
Step by Step Solution
- Step 1: Write the proportion equation
211,328,038.09 : 291,599,804.23 = 120,800,236.43 : x - Step 2: Convert to fraction form
211,328,038.09/291,599,804.23 = 120,800,236.43/x - Step 3: Cross multiply
211,328,038.09x = 291,599,804.23 × 120,800,236.43 - Step 4: Simplify right side
211,328,038.09x = 35,225,325,293,925,720 - Step 5: Solve for x
x = 35,225,325,293,925,720/211,328,038.09 - Step 6: Final answer
x = 166,685,526.50
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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.