Finding the Fourth Proportional to 66,517,411.60, 99,776,117.40 and 48,235,841.20
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Solution
The fourth proportional to 66,517,411.60, 99,776,117.40 and 48,235,841.20 is: 72,353,761.80
Step by Step Solution
- Step 1: Write the proportion equation
66,517,411.60 : 99,776,117.40 = 48,235,841.20 : x - Step 2: Convert to fraction form
66,517,411.60/99,776,117.40 = 48,235,841.20/x - Step 3: Cross multiply
66,517,411.60x = 99,776,117.40 × 48,235,841.20 - Step 4: Simplify right side
66,517,411.60x = 4,812,784,954,458,957 - Step 5: Solve for x
x = 4,812,784,954,458,957/66,517,411.60 - Step 6: Final answer
x = 72,353,761.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.