Finding the Fourth Proportional to 84,889,709.20, 127,334,563.80 and 84,889,709.20
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Solution
The fourth proportional to 84,889,709.20, 127,334,563.80 and 84,889,709.20 is: 127,334,563.80
Step by Step Solution
- Step 1: Write the proportion equation
84,889,709.20 : 127,334,563.80 = 84,889,709.20 : x - Step 2: Convert to fraction form
84,889,709.20/127,334,563.80 = 84,889,709.20/x - Step 3: Cross multiply
84,889,709.20x = 127,334,563.80 × 84,889,709.20 - Step 4: Simplify right side
84,889,709.20x = 10,809,394,092,090,848 - Step 5: Solve for x
x = 10,809,394,092,090,848/84,889,709.20 - Step 6: Final answer
x = 127,334,563.80
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1.5x scale
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.