Finding the Fourth Proportional to 124,663,770.16, 172,036,039.86 and 68,148,761.68
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Solution
The fourth proportional to 124,663,770.16, 172,036,039.86 and 68,148,761.68 is: 94,045,311.37
Step by Step Solution
- Step 1: Write the proportion equation
124,663,770.16 : 172,036,039.86 = 68,148,761.68 : x - Step 2: Convert to fraction form
124,663,770.16/172,036,039.86 = 68,148,761.68/x - Step 3: Cross multiply
124,663,770.16x = 172,036,039.86 × 68,148,761.68 - Step 4: Simplify right side
124,663,770.16x = 11,724,043,081,005,168 - Step 5: Solve for x
x = 11,724,043,081,005,168/124,663,770.16 - Step 6: Final answer
x = 94,045,311.37
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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.