Finding the Fourth Proportional to 160,611,972.05, 221,645,850.01 and 87,273,114.05
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Solution
The fourth proportional to 160,611,972.05, 221,645,850.01 and 87,273,114.05 is: 120,437,619.31
Step by Step Solution
- Step 1: Write the proportion equation
160,611,972.05 : 221,645,850.01 = 87,273,114.05 : x - Step 2: Convert to fraction form
160,611,972.05/221,645,850.01 = 87,273,114.05/x - Step 3: Cross multiply
160,611,972.05x = 221,645,850.01 × 87,273,114.05 - Step 4: Simplify right side
160,611,972.05x = 19,343,723,545,305,512 - Step 5: Solve for x
x = 19,343,723,545,305,512/160,611,972.05 - Step 6: Final answer
x = 120,437,619.31
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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.