Finding the Fourth Proportional to 99,649,835.20, 149,474,752.80 and 97,410,347.20
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Solution
The fourth proportional to 99,649,835.20, 149,474,752.80 and 97,410,347.20 is: 146,115,520.80
Step by Step Solution
- Step 1: Write the proportion equation
99,649,835.20 : 149,474,752.80 = 97,410,347.20 : x - Step 2: Convert to fraction form
99,649,835.20/149,474,752.80 = 97,410,347.20/x - Step 3: Cross multiply
99,649,835.20x = 149,474,752.80 × 97,410,347.20 - Step 4: Simplify right side
99,649,835.20x = 14,560,387,567,882,174 - Step 5: Solve for x
x = 14,560,387,567,882,174/99,649,835.20 - Step 6: Final answer
x = 146,115,520.80
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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.