Finding the Fourth Proportional to 115,822,412.80, 173,796,604.80 and 47,671,993.60
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Solution
The fourth proportional to 115,822,412.80, 173,796,604.80 and 47,671,993.60 is: 71,533,914.99
Step by Step Solution
- Step 1: Write the proportion equation
115,822,412.80 : 173,796,604.80 = 47,671,993.60 : x - Step 2: Convert to fraction form
115,822,412.80/173,796,604.80 = 47,671,993.60/x - Step 3: Cross multiply
115,822,412.80x = 173,796,604.80 × 47,671,993.60 - Step 4: Simplify right side
115,822,412.80x = 8,285,230,631,727,330 - Step 5: Solve for x
x = 8,285,230,631,727,330/115,822,412.80 - Step 6: Final answer
x = 71,533,914.99
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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.