Finding the Fourth Proportional to 84,240,122.40, 118,276,293.60 and 84,240,122.40
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Solution
The fourth proportional to 84,240,122.40, 118,276,293.60 and 84,240,122.40 is: 118,276,293.60
Step by Step Solution
- Step 1: Write the proportion equation
84,240,122.40 : 118,276,293.60 = 84,240,122.40 : x - Step 2: Convert to fraction form
84,240,122.40/118,276,293.60 = 84,240,122.40/x - Step 3: Cross multiply
84,240,122.40x = 118,276,293.60 × 84,240,122.40 - Step 4: Simplify right side
84,240,122.40x = 9,963,609,449,882,336 - Step 5: Solve for x
x = 9,963,609,449,882,336/84,240,122.40 - Step 6: Final answer
x = 118,276,293.60
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1.5x scale
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.