Finding the Fourth Proportional to 167,737,722.80, 251,522,388.78 and 97,730,611.68
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Solution
The fourth proportional to 167,737,722.80, 251,522,388.78 and 97,730,611.68 is: 146,546,861.95
Step by Step Solution
- Step 1: Write the proportion equation
167,737,722.80 : 251,522,388.78 = 97,730,611.68 : x - Step 2: Convert to fraction form
167,737,722.80/251,522,388.78 = 97,730,611.68/x - Step 3: Cross multiply
167,737,722.80x = 251,522,388.78 × 97,730,611.68 - Step 4: Simplify right side
167,737,722.80x = 24,581,436,906,421,852 - Step 5: Solve for x
x = 24,581,436,906,421,852/167,737,722.80 - Step 6: Final answer
x = 146,546,861.95
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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.