Finding the Fourth Proportional to 87,379,373,353.39, 119,707,750,767.72 and 84,112,398,921.41
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Solution
The fourth proportional to 87,379,373,353.39, 119,707,750,767.72 and 84,112,398,921.41 is: 115,232,070,225.96
Step by Step Solution
- Step 1: Write the proportion equation
87,379,373,353.39 : 119,707,750,767.72 = 84,112,398,921.41 : x - Step 2: Convert to fraction form
87,379,373,353.39/119,707,750,767.72 = 84,112,398,921.41/x - Step 3: Cross multiply
87,379,373,353.39x = 119,707,750,767.72 × 84,112,398,921.41 - Step 4: Simplify right side
87,379,373,353.39x = 10,068,906,086,558,590,828,544 - Step 5: Solve for x
x = 10,068,906,086,558,590,828,544/87,379,373,353.39 - Step 6: Final answer
x = 115,232,070,225.96
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.