Finding the Fourth Proportional to 61,239,629.80, 91,764,966.30 and 53,114,487.40
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Solution
The fourth proportional to 61,239,629.80, 91,764,966.30 and 53,114,487.40 is: 79,589,787.89
Step by Step Solution
- Step 1: Write the proportion equation
61,239,629.80 : 91,764,966.30 = 53,114,487.40 : x - Step 2: Convert to fraction form
61,239,629.80/91,764,966.30 = 53,114,487.40/x - Step 3: Cross multiply
61,239,629.80x = 91,764,966.30 × 53,114,487.40 - Step 4: Simplify right side
61,239,629.80x = 4,874,049,146,302,774 - Step 5: Solve for x
x = 4,874,049,146,302,774/61,239,629.80 - Step 6: Final answer
x = 79,589,787.89
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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.