Finding the Fourth Proportional to 66,745,117.80, 100,117,676.70 and 47,374,093.35
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Solution
The fourth proportional to 66,745,117.80, 100,117,676.70 and 47,374,093.35 is: 71,061,140.03
Step by Step Solution
- Step 1: Write the proportion equation
66,745,117.80 : 100,117,676.70 = 47,374,093.35 : x - Step 2: Convert to fraction form
66,745,117.80/100,117,676.70 = 47,374,093.35/x - Step 3: Cross multiply
66,745,117.80x = 100,117,676.70 × 47,374,093.35 - Step 4: Simplify right side
66,745,117.80x = 4,742,984,161,970,920 - Step 5: Solve for x
x = 4,742,984,161,970,920/66,745,117.80 - Step 6: Final answer
x = 71,061,140.03
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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.