Finding the Fourth Proportional to 541,745,252.70, 812,617,879.05 and 132,801,403.20
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Solution
The fourth proportional to 541,745,252.70, 812,617,879.05 and 132,801,403.20 is: 199,202,104.80
Step by Step Solution
- Step 1: Write the proportion equation
541,745,252.70 : 812,617,879.05 = 132,801,403.20 : x - Step 2: Convert to fraction form
541,745,252.70/812,617,879.05 = 132,801,403.20/x - Step 3: Cross multiply
541,745,252.70x = 812,617,879.05 × 132,801,403.20 - Step 4: Simplify right side
541,745,252.70x = 107,916,794,603,247,872 - Step 5: Solve for x
x = 107,916,794,603,247,872/541,745,252.70 - Step 6: Final answer
x = 199,202,104.80
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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.