Finding the Fourth Proportional to 271,559,381.76, 407,266,143.41 and 74,775,944.70
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Solution
The fourth proportional to 271,559,381.76, 407,266,143.41 and 74,775,944.70 is: 112,143,835.43
Step by Step Solution
- Step 1: Write the proportion equation
271,559,381.76 : 407,266,143.41 = 74,775,944.70 : x - Step 2: Convert to fraction form
271,559,381.76/407,266,143.41 = 74,775,944.70/x - Step 3: Cross multiply
271,559,381.76x = 407,266,143.41 × 74,775,944.70 - Step 4: Simplify right side
271,559,381.76x = 30,453,710,617,995,372 - Step 5: Solve for x
x = 30,453,710,617,995,372/271,559,381.76 - Step 6: Final answer
x = 112,143,835.43
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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.