Finding the Fourth Proportional to 97,764,355.10, 146,646,532.65 and 87,560,687.90
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Solution
The fourth proportional to 97,764,355.10, 146,646,532.65 and 87,560,687.90 is: 131,341,031.85
Step by Step Solution
- Step 1: Write the proportion equation
97,764,355.10 : 146,646,532.65 = 87,560,687.90 : x - Step 2: Convert to fraction form
97,764,355.10/146,646,532.65 = 87,560,687.90/x - Step 3: Cross multiply
97,764,355.10x = 146,646,532.65 × 87,560,687.90 - Step 4: Simplify right side
97,764,355.10x = 12,840,471,276,983,812 - Step 5: Solve for x
x = 12,840,471,276,983,812/97,764,355.10 - Step 6: Final answer
x = 131,341,031.85
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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.