Finding the Fourth Proportional to 76,902,190.11, 106,125,055.97 and 42,095,079.09
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Solution
The fourth proportional to 76,902,190.11, 106,125,055.97 and 42,095,079.09 is: 58,091,227.54
Step by Step Solution
- Step 1: Write the proportion equation
76,902,190.11 : 106,125,055.97 = 42,095,079.09 : x - Step 2: Convert to fraction form
76,902,190.11/106,125,055.97 = 42,095,079.09/x - Step 3: Cross multiply
76,902,190.11x = 106,125,055.97 × 42,095,079.09 - Step 4: Simplify right side
76,902,190.11x = 4,467,342,624,277,352 - Step 5: Solve for x
x = 4,467,342,624,277,352/76,902,190.11 - Step 6: Final answer
x = 58,091,227.54
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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.