Finding the Fourth Proportional to 74,708,686.53, 111,833,187.44 and 48,745,081.94
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Solution
The fourth proportional to 74,708,686.53, 111,833,187.44 and 48,745,081.94 is: 72,967,657.95
Step by Step Solution
- Step 1: Write the proportion equation
74,708,686.53 : 111,833,187.44 = 48,745,081.94 : x - Step 2: Convert to fraction form
74,708,686.53/111,833,187.44 = 48,745,081.94/x - Step 3: Cross multiply
74,708,686.53x = 111,833,187.44 × 48,745,081.94 - Step 4: Simplify right side
74,708,686.53x = 5,451,317,884,571,288 - Step 5: Solve for x
x = 5,451,317,884,571,288/74,708,686.53 - Step 6: Final answer
x = 72,967,657.95
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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.