Finding the Fourth Proportional to 135,664,665.20, 202,578,071.28 and 107,684,669.68
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Solution
The fourth proportional to 135,664,665.20, 202,578,071.28 and 107,684,669.68 is: 160,797,600.89
Step by Step Solution
- Step 1: Write the proportion equation
135,664,665.20 : 202,578,071.28 = 107,684,669.68 : x - Step 2: Convert to fraction form
135,664,665.20/202,578,071.28 = 107,684,669.68/x - Step 3: Cross multiply
135,664,665.20x = 202,578,071.28 × 107,684,669.68 - Step 4: Simplify right side
135,664,665.20x = 21,814,552,690,198,296 - Step 5: Solve for x
x = 21,814,552,690,198,296/135,664,665.20 - Step 6: Final answer
x = 160,797,600.89
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.