Finding the Fourth Proportional to 136,751,943.92, 188,710,207.64 and 74,860,310.48
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Solution
The fourth proportional to 136,751,943.92, 188,710,207.64 and 74,860,310.48 is: 103,303,136.54
Step by Step Solution
- Step 1: Write the proportion equation
136,751,943.92 : 188,710,207.64 = 74,860,310.48 : x - Step 2: Convert to fraction form
136,751,943.92/188,710,207.64 = 74,860,310.48/x - Step 3: Cross multiply
136,751,943.92x = 188,710,207.64 × 74,860,310.48 - Step 4: Simplify right side
136,751,943.92x = 14,126,904,734,675,668 - Step 5: Solve for x
x = 14,126,904,734,675,668/136,751,943.92 - Step 6: Final answer
x = 103,303,136.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.