Finding the Fourth Proportional to 275,593,147.20, 413,389,720.80 and 93,840,325.20
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Solution
The fourth proportional to 275,593,147.20, 413,389,720.80 and 93,840,325.20 is: 140,760,487.80
Step by Step Solution
- Step 1: Write the proportion equation
275,593,147.20 : 413,389,720.80 = 93,840,325.20 : x - Step 2: Convert to fraction form
275,593,147.20/413,389,720.80 = 93,840,325.20/x - Step 3: Cross multiply
275,593,147.20x = 413,389,720.80 × 93,840,325.20 - Step 4: Simplify right side
275,593,147.20x = 38,792,625,834,209,208 - Step 5: Solve for x
x = 38,792,625,834,209,208/275,593,147.20 - Step 6: Final answer
x = 140,760,487.80
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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.