Finding the Fourth Proportional to 201,009,720.70, 300,876,851.85 and 201,009,720.70
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Solution
The fourth proportional to 201,009,720.70, 300,876,851.85 and 201,009,720.70 is: 300,876,851.85
Step by Step Solution
- Step 1: Write the proportion equation
201,009,720.70 : 300,876,851.85 = 201,009,720.70 : x - Step 2: Convert to fraction form
201,009,720.70/300,876,851.85 = 201,009,720.70/x - Step 3: Cross multiply
201,009,720.70x = 300,876,851.85 × 201,009,720.70 - Step 4: Simplify right side
201,009,720.70x = 60,479,171,955,463,776 - Step 5: Solve for x
x = 60,479,171,955,463,776/201,009,720.70 - Step 6: Final answer
x = 300,876,851.85
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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.