Finding the Fourth Proportional to 66,624,908.22, 91,737,981.09 and 58,318,485.39
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Solution
The fourth proportional to 66,624,908.22, 91,737,981.09 and 58,318,485.39 is: 80,300,600.07
Step by Step Solution
- Step 1: Write the proportion equation
66,624,908.22 : 91,737,981.09 = 58,318,485.39 : x - Step 2: Convert to fraction form
66,624,908.22/91,737,981.09 = 58,318,485.39/x - Step 3: Cross multiply
66,624,908.22x = 91,737,981.09 × 58,318,485.39 - Step 4: Simplify right side
66,624,908.22x = 5,350,020,109,905,262 - Step 5: Solve for x
x = 5,350,020,109,905,262/66,624,908.22 - Step 6: Final answer
x = 80,300,600.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.