Finding the Fourth Proportional to 136,770,272.14, 188,743,054.06 and 74,046,386.38
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Solution
The fourth proportional to 136,770,272.14, 188,743,054.06 and 74,046,386.38 is: 102,184,055.71
Step by Step Solution
- Step 1: Write the proportion equation
136,770,272.14 : 188,743,054.06 = 74,046,386.38 : x - Step 2: Convert to fraction form
136,770,272.14/188,743,054.06 = 74,046,386.38/x - Step 3: Cross multiply
136,770,272.14x = 188,743,054.06 × 74,046,386.38 - Step 4: Simplify right side
136,770,272.14x = 13,975,741,107,467,986 - Step 5: Solve for x
x = 13,975,741,107,467,986/136,770,272.14 - Step 6: Final answer
x = 102,184,055.71
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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.