Finding the Fourth Proportional to 210,361,163.22, 290,299,864.41 and 117,545,583.06
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Solution
The fourth proportional to 210,361,163.22, 290,299,864.41 and 117,545,583.06 is: 162,213,719.98
Step by Step Solution
- Step 1: Write the proportion equation
210,361,163.22 : 290,299,864.41 = 117,545,583.06 : x - Step 2: Convert to fraction form
210,361,163.22/290,299,864.41 = 117,545,583.06/x - Step 3: Cross multiply
210,361,163.22x = 290,299,864.41 × 117,545,583.06 - Step 4: Simplify right side
210,361,163.22x = 34,123,466,824,312,396 - Step 5: Solve for x
x = 34,123,466,824,312,396/210,361,163.22 - Step 6: Final answer
x = 162,213,719.98
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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.