Finding the Fourth Proportional to 77,793,942.23, 107,361,760.06 and 44,304,837.32
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Solution
The fourth proportional to 77,793,942.23, 107,361,760.06 and 44,304,837.32 is: 61,144,160.80
Step by Step Solution
- Step 1: Write the proportion equation
77,793,942.23 : 107,361,760.06 = 44,304,837.32 : x - Step 2: Convert to fraction form
77,793,942.23/107,361,760.06 = 44,304,837.32/x - Step 3: Cross multiply
77,793,942.23x = 107,361,760.06 × 44,304,837.32 - Step 4: Simplify right side
77,793,942.23x = 4,756,645,313,199,603 - Step 5: Solve for x
x = 4,756,645,313,199,603/77,793,942.23 - Step 6: Final answer
x = 61,144,160.80
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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.