Finding the Fourth Proportional to 134,740,273.20, 201,732,496.20 and 130,961,137.20
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Solution
The fourth proportional to 134,740,273.20, 201,732,496.20 and 130,961,137.20 is: 196,074,391.75
Step by Step Solution
- Step 1: Write the proportion equation
134,740,273.20 : 201,732,496.20 = 130,961,137.20 : x - Step 2: Convert to fraction form
134,740,273.20/201,732,496.20 = 130,961,137.20/x - Step 3: Cross multiply
134,740,273.20x = 201,732,496.20 × 130,961,137.20 - Step 4: Simplify right side
134,740,273.20x = 26,419,117,112,546,676 - Step 5: Solve for x
x = 26,419,117,112,546,676/134,740,273.20 - Step 6: Final answer
x = 196,074,391.75
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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.