Finding the Fourth Proportional to 149,691,408.40, 224,537,112.60 and 138,493,968.40
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Solution
The fourth proportional to 149,691,408.40, 224,537,112.60 and 138,493,968.40 is: 207,740,952.60
Step by Step Solution
- Step 1: Write the proportion equation
149,691,408.40 : 224,537,112.60 = 138,493,968.40 : x - Step 2: Convert to fraction form
149,691,408.40/224,537,112.60 = 138,493,968.40/x - Step 3: Cross multiply
149,691,408.40x = 224,537,112.60 × 138,493,968.40 - Step 4: Simplify right side
149,691,408.40x = 31,097,035,777,051,644 - Step 5: Solve for x
x = 31,097,035,777,051,644/149,691,408.40 - Step 6: Final answer
x = 207,740,952.60
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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.