Finding the Fourth Proportional to 99,649,829.70, 149,474,744.55 and 97,410,341.70
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Solution
The fourth proportional to 99,649,829.70, 149,474,744.55 and 97,410,341.70 is: 146,115,512.55
Step by Step Solution
- Step 1: Write the proportion equation
99,649,829.70 : 149,474,744.55 = 97,410,341.70 : x - Step 2: Convert to fraction form
99,649,829.70/149,474,744.55 = 97,410,341.70/x - Step 3: Cross multiply
99,649,829.70x = 149,474,744.55 × 97,410,341.70 - Step 4: Simplify right side
99,649,829.70x = 14,560,385,942,135,714 - Step 5: Solve for x
x = 14,560,385,942,135,714/99,649,829.70 - Step 6: Final answer
x = 146,115,512.55
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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.