Finding the Fourth Proportional to 51,401,579.70, 77,102,631.99 and 17,323,220.82
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Solution
The fourth proportional to 51,401,579.70, 77,102,631.99 and 17,323,220.82 is: 25,984,919.68
Step by Step Solution
- Step 1: Write the proportion equation
51,401,579.70 : 77,102,631.99 = 17,323,220.82 : x - Step 2: Convert to fraction form
51,401,579.70/77,102,631.99 = 17,323,220.82/x - Step 3: Cross multiply
51,401,579.70x = 77,102,631.99 × 17,323,220.82 - Step 4: Simplify right side
51,401,579.70x = 1,335,665,919,765,966 - Step 5: Solve for x
x = 1,335,665,919,765,966/51,401,579.70 - Step 6: Final answer
x = 25,984,919.68
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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.