Finding the Fourth Proportional to 54,350,332.40, 81,576,576.43 and 28,461,215.98
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Solution
The fourth proportional to 54,350,332.40, 81,576,576.43 and 28,461,215.98 is: 42,718,571.50
Step by Step Solution
- Step 1: Write the proportion equation
54,350,332.40 : 81,576,576.43 = 28,461,215.98 : x - Step 2: Convert to fraction form
54,350,332.40/81,576,576.43 = 28,461,215.98/x - Step 3: Cross multiply
54,350,332.40x = 81,576,576.43 × 28,461,215.98 - Step 4: Simplify right side
54,350,332.40x = 2,321,768,560,275,325 - Step 5: Solve for x
x = 2,321,768,560,275,325/54,350,332.40 - Step 6: Final answer
x = 42,718,571.50
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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.