Finding the Fourth Proportional to 97,085,121.80, 145,627,682.70 and 58,988,942.60
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Solution
The fourth proportional to 97,085,121.80, 145,627,682.70 and 58,988,942.60 is: 88,483,413.90
Step by Step Solution
- Step 1: Write the proportion equation
97,085,121.80 : 145,627,682.70 = 58,988,942.60 : x - Step 2: Convert to fraction form
97,085,121.80/145,627,682.70 = 58,988,942.60/x - Step 3: Cross multiply
97,085,121.80x = 145,627,682.70 × 58,988,942.60 - Step 4: Simplify right side
97,085,121.80x = 8,590,423,015,761,313 - Step 5: Solve for x
x = 8,590,423,015,761,313/97,085,121.80 - Step 6: Final answer
x = 88,483,413.90
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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.