Finding the Fourth Proportional to 97,777,201.20, 146,665,801.80 and 63,764,977.20
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Solution
The fourth proportional to 97,777,201.20, 146,665,801.80 and 63,764,977.20 is: 95,647,465.80
Step by Step Solution
- Step 1: Write the proportion equation
97,777,201.20 : 146,665,801.80 = 63,764,977.20 : x - Step 2: Convert to fraction form
97,777,201.20/146,665,801.80 = 63,764,977.20/x - Step 3: Cross multiply
97,777,201.20x = 146,665,801.80 × 63,764,977.20 - Step 4: Simplify right side
97,777,201.20x = 9,352,141,507,796,720 - Step 5: Solve for x
x = 9,352,141,507,796,720/97,777,201.20 - Step 6: Final answer
x = 95,647,465.80
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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.