Finding the Fourth Proportional to 186,612,457.82, 257,525,302.65 and 104,106,242.66
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Solution
The fourth proportional to 186,612,457.82, 257,525,302.65 and 104,106,242.66 is: 143,666,676.72
Step by Step Solution
- Step 1: Write the proportion equation
186,612,457.82 : 257,525,302.65 = 104,106,242.66 : x - Step 2: Convert to fraction form
186,612,457.82/257,525,302.65 = 104,106,242.66/x - Step 3: Cross multiply
186,612,457.82x = 257,525,302.65 × 104,106,242.66 - Step 4: Simplify right side
186,612,457.82x = 26,809,991,648,770,840 - Step 5: Solve for x
x = 26,809,991,648,770,840/186,612,457.82 - Step 6: Final answer
x = 143,666,676.72
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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.