Finding the Fourth Proportional to 239,949,517.22, 331,036,585.26 and 139,461,257.62
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Solution
The fourth proportional to 239,949,517.22, 331,036,585.26 and 139,461,257.62 is: 192,402,047.87
Step by Step Solution
- Step 1: Write the proportion equation
239,949,517.22 : 331,036,585.26 = 139,461,257.62 : x - Step 2: Convert to fraction form
239,949,517.22/331,036,585.26 = 139,461,257.62/x - Step 3: Cross multiply
239,949,517.22x = 331,036,585.26 × 139,461,257.62 - Step 4: Simplify right side
239,949,517.22x = 46,166,778,498,480,776 - Step 5: Solve for x
x = 46,166,778,498,480,776/239,949,517.22 - Step 6: Final answer
x = 192,402,047.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.