Finding the Fourth Proportional to 201,020,847.70, 280,855,230.50 and 201,020,847.70
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Solution
The fourth proportional to 201,020,847.70, 280,855,230.50 and 201,020,847.70 is: 280,855,230.50
Step by Step Solution
- Step 1: Write the proportion equation
201,020,847.70 : 280,855,230.50 = 201,020,847.70 : x - Step 2: Convert to fraction form
201,020,847.70/280,855,230.50 = 201,020,847.70/x - Step 3: Cross multiply
201,020,847.70x = 280,855,230.50 × 201,020,847.70 - Step 4: Simplify right side
201,020,847.70x = 56,457,756,516,088,888 - Step 5: Solve for x
x = 56,457,756,516,088,888/201,020,847.70 - Step 6: Final answer
x = 280,855,230.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.