Finding the Fourth Proportional to 292,187,353.26, 403,231,222.36 and 161,807,161.26
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Solution
The fourth proportional to 292,187,353.26, 403,231,222.36 and 161,807,161.26 is: 223,300,901.61
Step by Step Solution
- Step 1: Write the proportion equation
292,187,353.26 : 403,231,222.36 = 161,807,161.26 : x - Step 2: Convert to fraction form
292,187,353.26/403,231,222.36 = 161,807,161.26/x - Step 3: Cross multiply
292,187,353.26x = 403,231,222.36 × 161,807,161.26 - Step 4: Simplify right side
292,187,353.26x = 65,245,699,421,471,440 - Step 5: Solve for x
x = 65,245,699,421,471,440/292,187,353.26 - Step 6: Final answer
x = 223,300,901.61
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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.