Finding the Fourth Proportional to 65,203,816.40, 97,805,724.60 and 48,941,721.80
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Solution
The fourth proportional to 65,203,816.40, 97,805,724.60 and 48,941,721.80 is: 73,412,582.70
Step by Step Solution
- Step 1: Write the proportion equation
65,203,816.40 : 97,805,724.60 = 48,941,721.80 : x - Step 2: Convert to fraction form
65,203,816.40/97,805,724.60 = 48,941,721.80/x - Step 3: Cross multiply
65,203,816.40x = 97,805,724.60 × 48,941,721.80 - Step 4: Simplify right side
65,203,816.40x = 4,786,780,563,820,616 - Step 5: Solve for x
x = 4,786,780,563,820,616/65,203,816.40 - Step 6: Final answer
x = 73,412,582.70
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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.