Finding the Fourth Proportional to 136,751,942.92, 188,710,206.26 and 74,860,309.48
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Solution
The fourth proportional to 136,751,942.92, 188,710,206.26 and 74,860,309.48 is: 103,303,135.16
Step by Step Solution
- Step 1: Write the proportion equation
136,751,942.92 : 188,710,206.26 = 74,860,309.48 : x - Step 2: Convert to fraction form
136,751,942.92/188,710,206.26 = 74,860,309.48/x - Step 3: Cross multiply
136,751,942.92x = 188,710,206.26 × 74,860,309.48 - Step 4: Simplify right side
136,751,942.92x = 14,126,904,442,658,234 - Step 5: Solve for x
x = 14,126,904,442,658,234/136,751,942.92 - Step 6: Final answer
x = 103,303,135.16
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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.