Finding the Fourth Proportional to 82,975,782.80, 124,558,152.60 and 48,916,319.60
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Solution
The fourth proportional to 82,975,782.80, 124,558,152.60 and 48,916,319.60 is: 73,430,176.80
Step by Step Solution
- Step 1: Write the proportion equation
82,975,782.80 : 124,558,152.60 = 48,916,319.60 : x - Step 2: Convert to fraction form
82,975,782.80/124,558,152.60 = 48,916,319.60/x - Step 3: Cross multiply
82,975,782.80x = 124,558,152.60 × 48,916,319.60 - Step 4: Simplify right side
82,975,782.80x = 6,092,926,401,367,171 - Step 5: Solve for x
x = 6,092,926,401,367,171/82,975,782.80 - Step 6: Final answer
x = 73,430,176.80
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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.