Finding the Fourth Proportional to 254,920,571.68, 351,770,266.50 and 143,389,207.99
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Solution
The fourth proportional to 254,920,571.68, 351,770,266.50 and 143,389,207.99 is: 197,865,788.45
Step by Step Solution
- Step 1: Write the proportion equation
254,920,571.68 : 351,770,266.50 = 143,389,207.99 : x - Step 2: Convert to fraction form
254,920,571.68/351,770,266.50 = 143,389,207.99/x - Step 3: Cross multiply
254,920,571.68x = 351,770,266.50 × 143,389,207.99 - Step 4: Simplify right side
254,920,571.68x = 50,440,059,908,466,152 - Step 5: Solve for x
x = 50,440,059,908,466,152/254,920,571.68 - Step 6: Final answer
x = 197,865,788.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.