Finding the Fourth Proportional to 71,812,922.88, 107,878,816.64 and 44,539,370.80
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Solution
The fourth proportional to 71,812,922.88, 107,878,816.64 and 44,539,370.80 is: 66,907,938.34
Step by Step Solution
- Step 1: Write the proportion equation
71,812,922.88 : 107,878,816.64 = 44,539,370.80 : x - Step 2: Convert to fraction form
71,812,922.88/107,878,816.64 = 44,539,370.80/x - Step 3: Cross multiply
71,812,922.88x = 107,878,816.64 × 44,539,370.80 - Step 4: Simplify right side
71,812,922.88x = 4,804,854,615,794,170 - Step 5: Solve for x
x = 4,804,854,615,794,170/71,812,922.88 - Step 6: Final answer
x = 66,907,938.34
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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.