Finding the Fourth Proportional to 188,242,735.79, 259,781,283.77 and 104,614,391.19
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Solution
The fourth proportional to 188,242,735.79, 259,781,283.77 and 104,614,391.19 is: 144,371,365.67
Step by Step Solution
- Step 1: Write the proportion equation
188,242,735.79 : 259,781,283.77 = 104,614,391.19 : x - Step 2: Convert to fraction form
188,242,735.79/259,781,283.77 = 104,614,391.19/x - Step 3: Cross multiply
188,242,735.79x = 259,781,283.77 × 104,614,391.19 - Step 4: Simplify right side
188,242,735.79x = 27,176,860,844,416,716 - Step 5: Solve for x
x = 27,176,860,844,416,716/188,242,735.79 - Step 6: Final answer
x = 144,371,365.67
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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.