Finding the Fourth Proportional to 54,780,197.99, 82,182,894.12 and 16,442,437.91
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Solution
The fourth proportional to 54,780,197.99, 82,182,894.12 and 16,442,437.91 is: 24,667,437.93
Step by Step Solution
- Step 1: Write the proportion equation
54,780,197.99 : 82,182,894.12 = 16,442,437.91 : x - Step 2: Convert to fraction form
54,780,197.99/82,182,894.12 = 16,442,437.91/x - Step 3: Cross multiply
54,780,197.99x = 82,182,894.12 × 16,442,437.91 - Step 4: Simplify right side
54,780,197.99x = 1,351,287,133,421,289.75 - Step 5: Solve for x
x = 1,351,287,133,421,289.75/54,780,197.99 - Step 6: Final answer
x = 24,667,437.93
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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.