Finding the Fourth Proportional to 84,889,487.20, 127,334,230.80 and 84,889,487.20
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Solution
The fourth proportional to 84,889,487.20, 127,334,230.80 and 84,889,487.20 is: 127,334,230.80
Step by Step Solution
- Step 1: Write the proportion equation
84,889,487.20 : 127,334,230.80 = 84,889,487.20 : x - Step 2: Convert to fraction form
84,889,487.20/127,334,230.80 = 84,889,487.20/x - Step 3: Cross multiply
84,889,487.20x = 127,334,230.80 × 84,889,487.20 - Step 4: Simplify right side
84,889,487.20x = 10,809,337,555,618,446 - Step 5: Solve for x
x = 10,809,337,555,618,446/84,889,487.20 - Step 6: Final answer
x = 127,334,230.80
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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.