Finding the Fourth Proportional to 195,905,338.40, 293,857,963.70 and 71,417,299.92
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Solution
The fourth proportional to 195,905,338.40, 293,857,963.70 and 71,417,299.92 is: 107,125,933.88
Step by Step Solution
- Step 1: Write the proportion equation
195,905,338.40 : 293,857,963.70 = 71,417,299.92 : x - Step 2: Convert to fraction form
195,905,338.40/293,857,963.70 = 71,417,299.92/x - Step 3: Cross multiply
195,905,338.40x = 293,857,963.70 × 71,417,299.92 - Step 4: Simplify right side
195,905,338.40x = 20,986,542,327,443,372 - Step 5: Solve for x
x = 20,986,542,327,443,372/195,905,338.40 - Step 6: Final answer
x = 107,125,933.88
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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.