Finding the Fourth Proportional to 75,924,321.70, 114,068,168.34 and 48,683,984.44
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Solution
The fourth proportional to 75,924,321.70, 114,068,168.34 and 48,683,984.44 is: 73,142,476.72
Step by Step Solution
- Step 1: Write the proportion equation
75,924,321.70 : 114,068,168.34 = 48,683,984.44 : x - Step 2: Convert to fraction form
75,924,321.70/114,068,168.34 = 48,683,984.44/x - Step 3: Cross multiply
75,924,321.70x = 114,068,168.34 × 48,683,984.44 - Step 4: Simplify right side
75,924,321.70x = 5,553,292,932,563,861 - Step 5: Solve for x
x = 5,553,292,932,563,861/75,924,321.70 - Step 6: Final answer
x = 73,142,476.72
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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.