Finding the Fourth Proportional to 293,611,292.72, 405,209,401.92 and 161,475,573.95
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Solution
The fourth proportional to 293,611,292.72, 405,209,401.92 and 161,475,573.95 is: 222,850,490.99
Step by Step Solution
- Step 1: Write the proportion equation
293,611,292.72 : 405,209,401.92 = 161,475,573.95 : x - Step 2: Convert to fraction form
293,611,292.72/405,209,401.92 = 161,475,573.95/x - Step 3: Cross multiply
293,611,292.72x = 405,209,401.92 × 161,475,573.95 - Step 4: Simplify right side
293,611,292.72x = 65,431,420,742,942,184 - Step 5: Solve for x
x = 65,431,420,742,942,184/293,611,292.72 - Step 6: Final answer
x = 222,850,490.99
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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.