Finding the Fourth Proportional to 149,819,405.10, 224,729,107.65 and 76,934,568.30
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Solution
The fourth proportional to 149,819,405.10, 224,729,107.65 and 76,934,568.30 is: 115,401,852.45
Step by Step Solution
- Step 1: Write the proportion equation
149,819,405.10 : 224,729,107.65 = 76,934,568.30 : x - Step 2: Convert to fraction form
149,819,405.10/224,729,107.65 = 76,934,568.30/x - Step 3: Cross multiply
149,819,405.10x = 224,729,107.65 × 76,934,568.30 - Step 4: Simplify right side
149,819,405.10x = 17,289,436,881,496,978 - Step 5: Solve for x
x = 17,289,436,881,496,978/149,819,405.10 - Step 6: Final answer
x = 115,401,852.45
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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.