Finding the Fourth Proportional to 131,639,165.30, 197,458,747.95 and 63,614,717.30
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Solution
The fourth proportional to 131,639,165.30, 197,458,747.95 and 63,614,717.30 is: 95,422,075.95
Step by Step Solution
- Step 1: Write the proportion equation
131,639,165.30 : 197,458,747.95 = 63,614,717.30 : x - Step 2: Convert to fraction form
131,639,165.30/197,458,747.95 = 63,614,717.30/x - Step 3: Cross multiply
131,639,165.30x = 197,458,747.95 × 63,614,717.30 - Step 4: Simplify right side
131,639,165.30x = 12,561,282,429,251,204 - Step 5: Solve for x
x = 12,561,282,429,251,204/131,639,165.30 - Step 6: Final answer
x = 95,422,075.95
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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.