Finding the Fourth Proportional to 147,517,709.40, 221,276,564.10 and 96,556,915.80
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Solution
The fourth proportional to 147,517,709.40, 221,276,564.10 and 96,556,915.80 is: 144,835,373.70
Step by Step Solution
- Step 1: Write the proportion equation
147,517,709.40 : 221,276,564.10 = 96,556,915.80 : x - Step 2: Convert to fraction form
147,517,709.40/221,276,564.10 = 96,556,915.80/x - Step 3: Cross multiply
147,517,709.40x = 221,276,564.10 × 96,556,915.80 - Step 4: Simplify right side
147,517,709.40x = 21,365,782,568,317,000 - Step 5: Solve for x
x = 21,365,782,568,317,000/147,517,709.40 - Step 6: Final answer
x = 144,835,373.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.