Finding the Fourth Proportional to 68,389,930,670.18, 102,440,579,070.57 and 54,871,022,245.26
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Solution
The fourth proportional to 68,389,930,670.18, 102,440,579,070.57 and 54,871,022,245.26 is: 82,190,744,133.19
Step by Step Solution
- Step 1: Write the proportion equation
68,389,930,670.18 : 102,440,579,070.57 = 54,871,022,245.26 : x - Step 2: Convert to fraction form
68,389,930,670.18/102,440,579,070.57 = 54,871,022,245.26/x - Step 3: Cross multiply
68,389,930,670.18x = 102,440,579,070.57 × 54,871,022,245.26 - Step 4: Simplify right side
68,389,930,670.18x = 5,621,019,292,998,869,975,040 - Step 5: Solve for x
x = 5,621,019,292,998,869,975,040/68,389,930,670.18 - Step 6: Final answer
x = 82,190,744,133.19
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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.