Finding the Fourth Proportional to 66,827,419.41, 100,241,209.07 and 18,305,691.53
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Solution
The fourth proportional to 66,827,419.41, 100,241,209.07 and 18,305,691.53 is: 27,458,559.20
Step by Step Solution
- Step 1: Write the proportion equation
66,827,419.41 : 100,241,209.07 = 18,305,691.53 : x - Step 2: Convert to fraction form
66,827,419.41/100,241,209.07 = 18,305,691.53/x - Step 3: Cross multiply
66,827,419.41x = 100,241,209.07 × 18,305,691.53 - Step 4: Simplify right side
66,827,419.41x = 1,834,984,651,738,129.75 - Step 5: Solve for x
x = 1,834,984,651,738,129.75/66,827,419.41 - Step 6: Final answer
x = 27,458,559.20
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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.