Finding the Fourth Proportional to 103,676,400, 155,539,794.24 and 31,872,816
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Solution
The fourth proportional to 103,676,400, 155,539,794.24 and 31,872,816 is: 47,816,969.36
Step by Step Solution
- Step 1: Write the proportion equation
103,676,400 : 155,539,794.24 = 31,872,816 : x - Step 2: Convert to fraction form
103,676,400/155,539,794.24 = 31,872,816/x - Step 3: Cross multiply
103,676,400x = 155,539,794.24 × 31,872,816 - Step 4: Simplify right side
103,676,400x = 4,957,491,242,489,380 - Step 5: Solve for x
x = 4,957,491,242,489,380/103,676,400 - Step 6: Final answer
x = 47,816,969.36
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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.