Finding the Fourth Proportional to 144,986,113.20, 217,479,169.80 and 49,248,001.20
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Solution
The fourth proportional to 144,986,113.20, 217,479,169.80 and 49,248,001.20 is: 73,872,001.80
Step by Step Solution
- Step 1: Write the proportion equation
144,986,113.20 : 217,479,169.80 = 49,248,001.20 : x - Step 2: Convert to fraction form
144,986,113.20/217,479,169.80 = 49,248,001.20/x - Step 3: Cross multiply
144,986,113.20x = 217,479,169.80 × 49,248,001.20 - Step 4: Simplify right side
144,986,113.20x = 10,710,414,415,285,404 - Step 5: Solve for x
x = 10,710,414,415,285,404/144,986,113.20 - Step 6: Final answer
x = 73,872,001.80
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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.