Finding the Fourth Proportional to 203,665,805.90, 305,696,006.34 and 192,605,190.08
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Solution
The fourth proportional to 203,665,805.90, 305,696,006.34 and 192,605,190.08 is: 289,094,367.84
Step by Step Solution
- Step 1: Write the proportion equation
203,665,805.90 : 305,696,006.34 = 192,605,190.08 : x - Step 2: Convert to fraction form
203,665,805.90/305,696,006.34 = 192,605,190.08/x - Step 3: Cross multiply
203,665,805.90x = 305,696,006.34 × 192,605,190.08 - Step 4: Simplify right side
203,665,805.90x = 58,878,637,407,812,584 - Step 5: Solve for x
x = 58,878,637,407,812,584/203,665,805.90 - Step 6: Final answer
x = 289,094,367.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.