Finding the Fourth Proportional to 146,924,677.25, 202,749,975.43 and 79,943,910.94
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Solution
The fourth proportional to 146,924,677.25, 202,749,975.43 and 79,943,910.94 is: 110,319,289.33
Step by Step Solution
- Step 1: Write the proportion equation
146,924,677.25 : 202,749,975.43 = 79,943,910.94 : x - Step 2: Convert to fraction form
146,924,677.25/202,749,975.43 = 79,943,910.94/x - Step 3: Cross multiply
146,924,677.25x = 202,749,975.43 × 79,943,910.94 - Step 4: Simplify right side
146,924,677.25x = 16,208,625,978,863,108 - Step 5: Solve for x
x = 16,208,625,978,863,108/146,924,677.25 - Step 6: Final answer
x = 110,319,289.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.