Finding the Fourth Proportional to 196,992,805.80, 295,489,208.70 and 53,385,637.80
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Solution
The fourth proportional to 196,992,805.80, 295,489,208.70 and 53,385,637.80 is: 80,078,456.70
Step by Step Solution
- Step 1: Write the proportion equation
196,992,805.80 : 295,489,208.70 = 53,385,637.80 : x - Step 2: Convert to fraction form
196,992,805.80/295,489,208.70 = 53,385,637.80/x - Step 3: Cross multiply
196,992,805.80x = 295,489,208.70 × 53,385,637.80 - Step 4: Simplify right side
196,992,805.80x = 15,774,879,869,466,808 - Step 5: Solve for x
x = 15,774,879,869,466,808/196,992,805.80 - Step 6: Final answer
x = 80,078,456.70
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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.