Finding the Fourth Proportional to 107,685,520.62, 161,568,990.18 and 42,153,492.84
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Solution
The fourth proportional to 107,685,520.62, 161,568,990.18 and 42,153,492.84 is: 63,246,174.89
Step by Step Solution
- Step 1: Write the proportion equation
107,685,520.62 : 161,568,990.18 = 42,153,492.84 : x - Step 2: Convert to fraction form
107,685,520.62/161,568,990.18 = 42,153,492.84/x - Step 3: Cross multiply
107,685,520.62x = 161,568,990.18 × 42,153,492.84 - Step 4: Simplify right side
107,685,520.62x = 6,810,697,270,718,661 - Step 5: Solve for x
x = 6,810,697,270,718,661/107,685,520.62 - Step 6: Final answer
x = 63,246,174.89
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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.