Finding the Fourth Proportional to 67,520,068.56, 93,177,792.09 and 36,580,236.96
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Solution
The fourth proportional to 67,520,068.56, 93,177,792.09 and 36,580,236.96 is: 50,480,779.81
Step by Step Solution
- Step 1: Write the proportion equation
67,520,068.56 : 93,177,792.09 = 36,580,236.96 : x - Step 2: Convert to fraction form
67,520,068.56/93,177,792.09 = 36,580,236.96/x - Step 3: Cross multiply
67,520,068.56x = 93,177,792.09 × 36,580,236.96 - Step 4: Simplify right side
67,520,068.56x = 3,408,465,714,061,814 - Step 5: Solve for x
x = 3,408,465,714,061,814/67,520,068.56 - Step 6: Final answer
x = 50,480,779.81
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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.