Finding the Fourth Proportional to 214,707,937.32, 296,309,638.98 and 161,691,108.08
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Solution
The fourth proportional to 214,707,937.32, 296,309,638.98 and 161,691,108.08 is: 223,143,282.26
Step by Step Solution
- Step 1: Write the proportion equation
214,707,937.32 : 296,309,638.98 = 161,691,108.08 : x - Step 2: Convert to fraction form
214,707,937.32/296,309,638.98 = 161,691,108.08/x - Step 3: Cross multiply
214,707,937.32x = 296,309,638.98 × 161,691,108.08 - Step 4: Simplify right side
214,707,937.32x = 47,910,633,861,460,968 - Step 5: Solve for x
x = 47,910,633,861,460,968/214,707,937.32 - Step 6: Final answer
x = 223,143,282.26
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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.