Finding the Fourth Proportional to 86,291,341.05, 119,081,261.87 and 47,133,106.05
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Solution
The fourth proportional to 86,291,341.05, 119,081,261.87 and 47,133,106.05 is: 65,043,255.51
Step by Step Solution
- Step 1: Write the proportion equation
86,291,341.05 : 119,081,261.87 = 47,133,106.05 : x - Step 2: Convert to fraction form
86,291,341.05/119,081,261.87 = 47,133,106.05/x - Step 3: Cross multiply
86,291,341.05x = 119,081,261.87 × 47,133,106.05 - Step 4: Simplify right side
86,291,341.05x = 5,612,669,743,870,996 - Step 5: Solve for x
x = 5,612,669,743,870,996/86,291,341.05 - Step 6: Final answer
x = 65,043,255.51
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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.