Finding the Fourth Proportional to 109,676,734.68, 163,534,562.79 and 106,663,464.12
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Solution
The fourth proportional to 109,676,734.68, 163,534,562.79 and 106,663,464.12 is: 159,041,596.39
Step by Step Solution
- Step 1: Write the proportion equation
109,676,734.68 : 163,534,562.79 = 106,663,464.12 : x - Step 2: Convert to fraction form
109,676,734.68/163,534,562.79 = 106,663,464.12/x - Step 3: Cross multiply
109,676,734.68x = 163,534,562.79 × 106,663,464.12 - Step 4: Simplify right side
109,676,734.68x = 17,443,162,970,531,052 - Step 5: Solve for x
x = 17,443,162,970,531,052/109,676,734.68 - Step 6: Final answer
x = 159,041,596.39
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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.