Finding the Fourth Proportional to 201,854,310.14, 278,559,070.07 and 109,034,858.99
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Solution
The fourth proportional to 201,854,310.14, 278,559,070.07 and 109,034,858.99 is: 150,468,171.35
Step by Step Solution
- Step 1: Write the proportion equation
201,854,310.14 : 278,559,070.07 = 109,034,858.99 : x - Step 2: Convert to fraction form
201,854,310.14/278,559,070.07 = 109,034,858.99/x - Step 3: Cross multiply
201,854,310.14x = 278,559,070.07 × 109,034,858.99 - Step 4: Simplify right side
201,854,310.14x = 30,372,648,925,619,204 - Step 5: Solve for x
x = 30,372,648,925,619,204/201,854,310.14 - Step 6: Final answer
x = 150,468,171.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.