Finding the Fourth Proportional to 188,040,172.66, 259,482,792.65 and 104,403,980.99
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Solution
The fourth proportional to 188,040,172.66, 259,482,792.65 and 104,403,980.99 is: 144,070,472.65
Step by Step Solution
- Step 1: Write the proportion equation
188,040,172.66 : 259,482,792.65 = 104,403,980.99 : x - Step 2: Convert to fraction form
188,040,172.66/259,482,792.65 = 104,403,980.99/x - Step 3: Cross multiply
188,040,172.66x = 259,482,792.65 × 104,403,980.99 - Step 4: Simplify right side
188,040,172.66x = 27,091,036,551,189,400 - Step 5: Solve for x
x = 27,091,036,551,189,400/188,040,172.66 - Step 6: Final answer
x = 144,070,472.65
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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.