Finding the Fourth Proportional to 270,662,431.70, 405,993,647.55 and 66,187,846.10
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Solution
The fourth proportional to 270,662,431.70, 405,993,647.55 and 66,187,846.10 is: 99,281,769.15
Step by Step Solution
- Step 1: Write the proportion equation
270,662,431.70 : 405,993,647.55 = 66,187,846.10 : x - Step 2: Convert to fraction form
270,662,431.70/405,993,647.55 = 66,187,846.10/x - Step 3: Cross multiply
270,662,431.70x = 405,993,647.55 × 66,187,846.10 - Step 4: Simplify right side
270,662,431.70x = 26,871,845,061,617,044 - Step 5: Solve for x
x = 26,871,845,061,617,044/270,662,431.70 - Step 6: Final answer
x = 99,281,769.15
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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.