Finding the Fourth Proportional to 201,014,642.20, 280,846,542.80 and 201,014,642.20
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Solution
The fourth proportional to 201,014,642.20, 280,846,542.80 and 201,014,642.20 is: 280,846,542.80
Step by Step Solution
- Step 1: Write the proportion equation
201,014,642.20 : 280,846,542.80 = 201,014,642.20 : x - Step 2: Convert to fraction form
201,014,642.20/280,846,542.80 = 201,014,642.20/x - Step 3: Cross multiply
201,014,642.20x = 280,846,542.80 × 201,014,642.20 - Step 4: Simplify right side
201,014,642.20x = 56,454,267,314,048,984 - Step 5: Solve for x
x = 56,454,267,314,048,984/201,014,642.20 - Step 6: Final answer
x = 280,846,542.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.