Finding the Fourth Proportional to 63,784,139.99, 95,690,163.51 and 20,657,702.84
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Solution
The fourth proportional to 63,784,139.99, 95,690,163.51 and 20,657,702.84 is: 30,991,073.37
Step by Step Solution
- Step 1: Write the proportion equation
63,784,139.99 : 95,690,163.51 = 20,657,702.84 : x - Step 2: Convert to fraction form
63,784,139.99/95,690,163.51 = 20,657,702.84/x - Step 3: Cross multiply
63,784,139.99x = 95,690,163.51 × 20,657,702.84 - Step 4: Simplify right side
63,784,139.99x = 1,976,738,962,022,140.75 - Step 5: Solve for x
x = 1,976,738,962,022,140.75/63,784,139.99 - Step 6: Final answer
x = 30,991,073.37
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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.