Finding the Fourth Proportional to 211,353,616.50, 291,670,355.35 and 117,269,466.99
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Solution
The fourth proportional to 211,353,616.50, 291,670,355.35 and 117,269,466.99 is: 161,833,176.43
Step by Step Solution
- Step 1: Write the proportion equation
211,353,616.50 : 291,670,355.35 = 117,269,466.99 : x - Step 2: Convert to fraction form
211,353,616.50/291,670,355.35 = 117,269,466.99/x - Step 3: Cross multiply
211,353,616.50x = 291,670,355.35 × 117,269,466.99 - Step 4: Simplify right side
211,353,616.50x = 34,204,027,108,678,396 - Step 5: Solve for x
x = 34,204,027,108,678,396/211,353,616.50 - Step 6: Final answer
x = 161,833,176.43
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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.