Finding the Fourth Proportional to 201,676,865.70, 302,515,298.55 and 197,197,889.70
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Solution
The fourth proportional to 201,676,865.70, 302,515,298.55 and 197,197,889.70 is: 295,796,834.55
Step by Step Solution
- Step 1: Write the proportion equation
201,676,865.70 : 302,515,298.55 = 197,197,889.70 : x - Step 2: Convert to fraction form
201,676,865.70/302,515,298.55 = 197,197,889.70/x - Step 3: Cross multiply
201,676,865.70x = 302,515,298.55 × 197,197,889.70 - Step 4: Simplify right side
201,676,865.70x = 59,655,378,476,025,472 - Step 5: Solve for x
x = 59,655,378,476,025,472/201,676,865.70 - Step 6: Final answer
x = 295,796,834.55
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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.