Finding the Fourth Proportional to 82,930,243.20, 124,395,364.80 and 52,771,804.80
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Solution
The fourth proportional to 82,930,243.20, 124,395,364.80 and 52,771,804.80 is: 79,157,707.20
Step by Step Solution
- Step 1: Write the proportion equation
82,930,243.20 : 124,395,364.80 = 52,771,804.80 : x - Step 2: Convert to fraction form
82,930,243.20/124,395,364.80 = 52,771,804.80/x - Step 3: Cross multiply
82,930,243.20x = 124,395,364.80 × 52,771,804.80 - Step 4: Simplify right side
82,930,243.20x = 6,564,567,909,250,391 - Step 5: Solve for x
x = 6,564,567,909,250,391/82,930,243.20 - Step 6: Final answer
x = 79,157,707.20
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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.