Finding the Fourth Proportional to 74,409,984.80, 102,691,530.96 and 44,641,748.18
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Solution
The fourth proportional to 74,409,984.80, 102,691,530.96 and 44,641,748.18 is: 61,609,063.32
Step by Step Solution
- Step 1: Write the proportion equation
74,409,984.80 : 102,691,530.96 = 44,641,748.18 : x - Step 2: Convert to fraction form
74,409,984.80/102,691,530.96 = 44,641,748.18/x - Step 3: Cross multiply
74,409,984.80x = 102,691,530.96 × 44,641,748.18 - Step 4: Simplify right side
74,409,984.80x = 4,584,329,465,334,993 - Step 5: Solve for x
x = 4,584,329,465,334,993/74,409,984.80 - Step 6: Final answer
x = 61,609,063.32
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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.