Finding the Fourth Proportional to 283,224,235.50, 424,860,415.92 and 78,752,311.02
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Solution
The fourth proportional to 283,224,235.50, 424,860,415.92 and 78,752,311.02 is: 118,135,157.31
Step by Step Solution
- Step 1: Write the proportion equation
283,224,235.50 : 424,860,415.92 = 78,752,311.02 : x - Step 2: Convert to fraction form
283,224,235.50/424,860,415.92 = 78,752,311.02/x - Step 3: Cross multiply
283,224,235.50x = 424,860,415.92 × 78,752,311.02 - Step 4: Simplify right side
283,224,235.50x = 33,458,739,614,618,400 - Step 5: Solve for x
x = 33,458,739,614,618,400/283,224,235.50 - Step 6: Final answer
x = 118,135,157.31
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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.