Finding the Fourth Proportional to 171,407,451.49, 236,556,871.22 and 97,081,234.09
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Solution
The fourth proportional to 171,407,451.49, 236,556,871.22 and 97,081,234.09 is: 133,980,365.44
Step by Step Solution
- Step 1: Write the proportion equation
171,407,451.49 : 236,556,871.22 = 97,081,234.09 : x - Step 2: Convert to fraction form
171,407,451.49/236,556,871.22 = 97,081,234.09/x - Step 3: Cross multiply
171,407,451.49x = 236,556,871.22 × 97,081,234.09 - Step 4: Simplify right side
171,407,451.49x = 22,965,232,990,506,804 - Step 5: Solve for x
x = 22,965,232,990,506,804/171,407,451.49 - Step 6: Final answer
x = 133,980,365.44
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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.