Finding the Fourth Proportional to 45,986,985.20, 68,921,866.20 and 24,431,913.20
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Solution
The fourth proportional to 45,986,985.20, 68,921,866.20 and 24,431,913.20 is: 36,616,730.70
Step by Step Solution
- Step 1: Write the proportion equation
45,986,985.20 : 68,921,866.20 = 24,431,913.20 : x - Step 2: Convert to fraction form
45,986,985.20/68,921,866.20 = 24,431,913.20/x - Step 3: Cross multiply
45,986,985.20x = 68,921,866.20 × 24,431,913.20 - Step 4: Simplify right side
45,986,985.20x = 1,683,893,052,580,413.75 - Step 5: Solve for x
x = 1,683,893,052,580,413.75/45,986,985.20 - Step 6: Final answer
x = 36,616,730.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.