Finding the Fourth Proportional to 66,449,553.70, 99,674,330.55 and 49,443,441.70
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Solution
The fourth proportional to 66,449,553.70, 99,674,330.55 and 49,443,441.70 is: 74,165,162.55
Step by Step Solution
- Step 1: Write the proportion equation
66,449,553.70 : 99,674,330.55 = 49,443,441.70 : x - Step 2: Convert to fraction form
66,449,553.70/99,674,330.55 = 49,443,441.70/x - Step 3: Cross multiply
66,449,553.70x = 99,674,330.55 × 49,443,441.70 - Step 4: Simplify right side
66,449,553.70x = 4,928,241,951,535,454 - Step 5: Solve for x
x = 4,928,241,951,535,454/66,449,553.70 - Step 6: Final answer
x = 74,165,162.55
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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.