Finding the Fourth Proportional to 220,572,511.80, 330,858,767.70 and 56,809,951.80
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Solution
The fourth proportional to 220,572,511.80, 330,858,767.70 and 56,809,951.80 is: 85,214,927.70
Step by Step Solution
- Step 1: Write the proportion equation
220,572,511.80 : 330,858,767.70 = 56,809,951.80 : x - Step 2: Convert to fraction form
220,572,511.80/330,858,767.70 = 56,809,951.80/x - Step 3: Cross multiply
220,572,511.80x = 330,858,767.70 × 56,809,951.80 - Step 4: Simplify right side
220,572,511.80x = 18,796,070,645,644,396 - Step 5: Solve for x
x = 18,796,070,645,644,396/220,572,511.80 - Step 6: Final answer
x = 85,214,927.70
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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.