Finding the Fourth Proportional to 248,411,252.36, 372,139,310.64 and 138,904,288.94
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Solution
The fourth proportional to 248,411,252.36, 372,139,310.64 and 138,904,288.94 is: 208,089,391.44
Step by Step Solution
- Step 1: Write the proportion equation
248,411,252.36 : 372,139,310.64 = 138,904,288.94 : x - Step 2: Convert to fraction form
248,411,252.36/372,139,310.64 = 138,904,288.94/x - Step 3: Cross multiply
248,411,252.36x = 372,139,310.64 × 138,904,288.94 - Step 4: Simplify right side
248,411,252.36x = 51,691,746,331,070,976 - Step 5: Solve for x
x = 51,691,746,331,070,976/248,411,252.36 - Step 6: Final answer
x = 208,089,391.44
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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.