Finding the Fourth Proportional to 160,991,997.80, 241,487,996.70 and 149,654,589.80
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Solution
The fourth proportional to 160,991,997.80, 241,487,996.70 and 149,654,589.80 is: 224,481,884.70
Step by Step Solution
- Step 1: Write the proportion equation
160,991,997.80 : 241,487,996.70 = 149,654,589.80 : x - Step 2: Convert to fraction form
160,991,997.80/241,487,996.70 = 149,654,589.80/x - Step 3: Cross multiply
160,991,997.80x = 241,487,996.70 × 149,654,589.80 - Step 4: Simplify right side
160,991,997.80x = 36,139,787,087,762,256 - Step 5: Solve for x
x = 36,139,787,087,762,256/160,991,997.80 - Step 6: Final answer
x = 224,481,884.70
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1.5x scale
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.