Finding the Fourth Proportional to 53,781,928.65, 80,711,754.15 and 21,415,177.94
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Solution
The fourth proportional to 53,781,928.65, 80,711,754.15 and 21,415,177.94 is: 32,138,240.85
Step by Step Solution
- Step 1: Write the proportion equation
53,781,928.65 : 80,711,754.15 = 21,415,177.94 : x - Step 2: Convert to fraction form
53,781,928.65/80,711,754.15 = 21,415,177.94/x - Step 3: Cross multiply
53,781,928.65x = 80,711,754.15 × 21,415,177.94 - Step 4: Simplify right side
53,781,928.65x = 1,728,456,576,568,224.75 - Step 5: Solve for x
x = 1,728,456,576,568,224.75/53,781,928.65 - Step 6: Final answer
x = 32,138,240.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.