Finding the Fourth Proportional to 76,864,768.19, 106,062,915.07 and 45,918,366.11
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Solution
The fourth proportional to 76,864,768.19, 106,062,915.07 and 45,918,366.11 is: 63,361,093.51
Step by Step Solution
- Step 1: Write the proportion equation
76,864,768.19 : 106,062,915.07 = 45,918,366.11 : x - Step 2: Convert to fraction form
76,864,768.19/106,062,915.07 = 45,918,366.11/x - Step 3: Cross multiply
76,864,768.19x = 106,062,915.07 × 45,918,366.11 - Step 4: Simplify right side
76,864,768.19x = 4,870,235,764,878,096 - Step 5: Solve for x
x = 4,870,235,764,878,096/76,864,768.19 - Step 6: Final answer
x = 63,361,093.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.