Finding the Fourth Proportional to 251,383,678.36, 377,129,791.74 and 76,520,386.13
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Solution
The fourth proportional to 251,383,678.36, 377,129,791.74 and 76,520,386.13 is: 114,797,100.09
Step by Step Solution
- Step 1: Write the proportion equation
251,383,678.36 : 377,129,791.74 = 76,520,386.13 : x - Step 2: Convert to fraction form
251,383,678.36/377,129,791.74 = 76,520,386.13/x - Step 3: Cross multiply
251,383,678.36x = 377,129,791.74 × 76,520,386.13 - Step 4: Simplify right side
251,383,678.36x = 28,858,117,285,071,284 - Step 5: Solve for x
x = 28,858,117,285,071,284/251,383,678.36 - Step 6: Final answer
x = 114,797,100.09
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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.