Finding the Fourth Proportional to 77,762,304.36, 107,315,238.06 and 44,722,575.90
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Solution
The fourth proportional to 77,762,304.36, 107,315,238.06 and 44,722,575.90 is: 61,719,028.50
Step by Step Solution
- Step 1: Write the proportion equation
77,762,304.36 : 107,315,238.06 = 44,722,575.90 : x - Step 2: Convert to fraction form
77,762,304.36/107,315,238.06 = 44,722,575.90/x - Step 3: Cross multiply
77,762,304.36x = 107,315,238.06 × 44,722,575.90 - Step 4: Simplify right side
77,762,304.36x = 4,799,413,879,364,919 - Step 5: Solve for x
x = 4,799,413,879,364,919/77,762,304.36 - Step 6: Final answer
x = 61,719,028.50
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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.