Finding the Fourth Proportional to 293,611,288.77, 405,209,396.48 and 161,475,570
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Solution
The fourth proportional to 293,611,288.77, 405,209,396.48 and 161,475,570 is: 222,850,485.55
Step by Step Solution
- Step 1: Write the proportion equation
293,611,288.77 : 405,209,396.48 = 161,475,570 : x - Step 2: Convert to fraction form
293,611,288.77/405,209,396.48 = 161,475,570/x - Step 3: Cross multiply
293,611,288.77x = 405,209,396.48 × 161,475,570 - Step 4: Simplify right side
293,611,288.77x = 65,431,418,265,156,616 - Step 5: Solve for x
x = 65,431,418,265,156,616/293,611,288.77 - Step 6: Final answer
x = 222,850,485.55
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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.