Finding the Fourth Proportional to 178,272,025.70, 267,408,038.55 and 153,613,163.30
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Solution
The fourth proportional to 178,272,025.70, 267,408,038.55 and 153,613,163.30 is: 230,419,744.95
Step by Step Solution
- Step 1: Write the proportion equation
178,272,025.70 : 267,408,038.55 = 153,613,163.30 : x - Step 2: Convert to fraction form
178,272,025.70/267,408,038.55 = 153,613,163.30/x - Step 3: Cross multiply
178,272,025.70x = 267,408,038.55 × 153,613,163.30 - Step 4: Simplify right side
178,272,025.70x = 41,077,394,693,513,848 - Step 5: Solve for x
x = 41,077,394,693,513,848/178,272,025.70 - Step 6: Final answer
x = 230,419,744.95
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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.