Finding the Fourth Proportional to 87,167,812, 130,703,403.12 and 40,430,319.52
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Solution
The fourth proportional to 87,167,812, 130,703,403.12 and 40,430,319.52 is: 60,623,069.79
Step by Step Solution
- Step 1: Write the proportion equation
87,167,812 : 130,703,403.12 = 40,430,319.52 : x - Step 2: Convert to fraction form
87,167,812/130,703,403.12 = 40,430,319.52/x - Step 3: Cross multiply
87,167,812x = 130,703,403.12 × 40,430,319.52 - Step 4: Simplify right side
87,167,812x = 5,284,380,350,492,966 - Step 5: Solve for x
x = 5,284,380,350,492,966/87,167,812 - Step 6: Final answer
x = 60,623,069.79
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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.