Finding the Fourth Proportional to 260,967,884.70, 391,193,259.41 and 122,545,702.47
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Solution
The fourth proportional to 260,967,884.70, 391,193,259.41 and 122,545,702.47 is: 183,697,135.12
Step by Step Solution
- Step 1: Write the proportion equation
260,967,884.70 : 391,193,259.41 = 122,545,702.47 : x - Step 2: Convert to fraction form
260,967,884.70/391,193,259.41 = 122,545,702.47/x - Step 3: Cross multiply
260,967,884.70x = 391,193,259.41 × 122,545,702.47 - Step 4: Simplify right side
260,967,884.70x = 47,939,052,777,700,728 - Step 5: Solve for x
x = 47,939,052,777,700,728/260,967,884.70 - Step 6: Final answer
x = 183,697,135.12
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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.