Finding the Fourth Proportional to 133,059,896.70, 199,589,845.05 and 75,529,938.30
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Solution
The fourth proportional to 133,059,896.70, 199,589,845.05 and 75,529,938.30 is: 113,294,907.45
Step by Step Solution
- Step 1: Write the proportion equation
133,059,896.70 : 199,589,845.05 = 75,529,938.30 : x - Step 2: Convert to fraction form
133,059,896.70/199,589,845.05 = 75,529,938.30/x - Step 3: Cross multiply
133,059,896.70x = 199,589,845.05 × 75,529,938.30 - Step 4: Simplify right side
133,059,896.70x = 15,075,008,681,933,060 - Step 5: Solve for x
x = 15,075,008,681,933,060/133,059,896.70 - Step 6: Final answer
x = 113,294,907.45
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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.