Finding the Fourth Proportional to 202,156,685.20, 303,235,027.80 and 65,842,068.70
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Solution
The fourth proportional to 202,156,685.20, 303,235,027.80 and 65,842,068.70 is: 98,763,103.05
Step by Step Solution
- Step 1: Write the proportion equation
202,156,685.20 : 303,235,027.80 = 65,842,068.70 : x - Step 2: Convert to fraction form
202,156,685.20/303,235,027.80 = 65,842,068.70/x - Step 3: Cross multiply
202,156,685.20x = 303,235,027.80 × 65,842,068.70 - Step 4: Simplify right side
202,156,685.20x = 19,965,621,532,654,012 - Step 5: Solve for x
x = 19,965,621,532,654,012/202,156,685.20 - Step 6: Final answer
x = 98,763,103.05
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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.