Finding the Fourth Proportional to 66,071,082.54, 91,175,557.86 and 36,704,263.62
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Solution
The fourth proportional to 66,071,082.54, 91,175,557.86 and 36,704,263.62 is: 50,650,474.95
Step by Step Solution
- Step 1: Write the proportion equation
66,071,082.54 : 91,175,557.86 = 36,704,263.62 : x - Step 2: Convert to fraction form
66,071,082.54/91,175,557.86 = 36,704,263.62/x - Step 3: Cross multiply
66,071,082.54x = 91,175,557.86 × 36,704,263.62 - Step 4: Simplify right side
66,071,082.54x = 3,346,531,711,394,003 - Step 5: Solve for x
x = 3,346,531,711,394,003/66,071,082.54 - Step 6: Final answer
x = 50,650,474.95
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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.