Finding the Fourth Proportional to 149,819,408.10, 224,729,112.15 and 76,934,571.30
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Solution
The fourth proportional to 149,819,408.10, 224,729,112.15 and 76,934,571.30 is: 115,401,856.95
Step by Step Solution
- Step 1: Write the proportion equation
149,819,408.10 : 224,729,112.15 = 76,934,571.30 : x - Step 2: Convert to fraction form
149,819,408.10/224,729,112.15 = 76,934,571.30/x - Step 3: Cross multiply
149,819,408.10x = 224,729,112.15 × 76,934,571.30 - Step 4: Simplify right side
149,819,408.10x = 17,289,437,901,889,872 - Step 5: Solve for x
x = 17,289,437,901,889,872/149,819,408.10 - Step 6: Final answer
x = 115,401,856.95
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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.