Finding the Fourth Proportional to 134,939,413.49, 186,228,872.84 and 82,003,904.07
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Solution
The fourth proportional to 134,939,413.49, 186,228,872.84 and 82,003,904.07 is: 113,172,973.18
Step by Step Solution
- Step 1: Write the proportion equation
134,939,413.49 : 186,228,872.84 = 82,003,904.07 : x - Step 2: Convert to fraction form
134,939,413.49/186,228,872.84 = 82,003,904.07/x - Step 3: Cross multiply
134,939,413.49x = 186,228,872.84 × 82,003,904.07 - Step 4: Simplify right side
134,939,413.49x = 15,271,494,623,025,568 - Step 5: Solve for x
x = 15,271,494,623,025,568/134,939,413.49 - Step 6: Final answer
x = 113,172,973.18
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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.