Finding the Fourth Proportional to 68,178,074.09, 102,281,473.97 and 22,116,346.52
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Solution
The fourth proportional to 68,178,074.09, 102,281,473.97 and 22,116,346.52 is: 33,179,178.95
Step by Step Solution
- Step 1: Write the proportion equation
68,178,074.09 : 102,281,473.97 = 22,116,346.52 : x - Step 2: Convert to fraction form
68,178,074.09/102,281,473.97 = 22,116,346.52/x - Step 3: Cross multiply
68,178,074.09x = 102,281,473.97 × 22,116,346.52 - Step 4: Simplify right side
68,178,074.09x = 2,262,092,520,274,891 - Step 5: Solve for x
x = 2,262,092,520,274,891/68,178,074.09 - Step 6: Final answer
x = 33,179,178.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.