Finding the Fourth Proportional to 68,029,756.92, 102,046,405.50 and 19,505,650.68
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Solution
The fourth proportional to 68,029,756.92, 102,046,405.50 and 19,505,650.68 is: 29,258,983.55
Step by Step Solution
- Step 1: Write the proportion equation
68,029,756.92 : 102,046,405.50 = 19,505,650.68 : x - Step 2: Convert to fraction form
68,029,756.92/102,046,405.50 = 19,505,650.68/x - Step 3: Cross multiply
68,029,756.92x = 102,046,405.50 × 19,505,650.68 - Step 4: Simplify right side
68,029,756.92x = 1,990,481,538,832,630.75 - Step 5: Solve for x
x = 1,990,481,538,832,630.75/68,029,756.92 - Step 6: Final answer
x = 29,258,983.55
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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.