Finding the Fourth Proportional to 53,294,098.80, 79,943,772.60 and 27,784,930.80
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Solution
The fourth proportional to 53,294,098.80, 79,943,772.60 and 27,784,930.80 is: 41,678,764.43
Step by Step Solution
- Step 1: Write the proportion equation
53,294,098.80 : 79,943,772.60 = 27,784,930.80 : x - Step 2: Convert to fraction form
53,294,098.80/79,943,772.60 = 27,784,930.80/x - Step 3: Cross multiply
53,294,098.80x = 79,943,772.60 × 27,784,930.80 - Step 4: Simplify right side
53,294,098.80x = 2,221,232,189,581,936 - Step 5: Solve for x
x = 2,221,232,189,581,936/53,294,098.80 - Step 6: Final answer
x = 41,678,764.43
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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.