Finding the Fourth Proportional to 165,980,126.20, 248,802,227.70 and 97,787,716.60
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Solution
The fourth proportional to 165,980,126.20, 248,802,227.70 and 97,787,716.60 is: 146,582,619.79
Step by Step Solution
- Step 1: Write the proportion equation
165,980,126.20 : 248,802,227.70 = 97,787,716.60 : x - Step 2: Convert to fraction form
165,980,126.20/248,802,227.70 = 97,787,716.60/x - Step 3: Cross multiply
165,980,126.20x = 248,802,227.70 × 97,787,716.60 - Step 4: Simplify right side
165,980,126.20x = 24,329,801,731,776,268 - Step 5: Solve for x
x = 24,329,801,731,776,268/165,980,126.20 - Step 6: Final answer
x = 146,582,619.79
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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.