Finding the Fourth Proportional to 120,714,068.18, 166,575,916.40 and 68,503,103.68
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Solution
The fourth proportional to 120,714,068.18, 166,575,916.40 and 68,503,103.68 is: 94,528,893.31
Step by Step Solution
- Step 1: Write the proportion equation
120,714,068.18 : 166,575,916.40 = 68,503,103.68 : x - Step 2: Convert to fraction form
120,714,068.18/166,575,916.40 = 68,503,103.68/x - Step 3: Cross multiply
120,714,068.18x = 166,575,916.40 × 68,503,103.68 - Step 4: Simplify right side
120,714,068.18x = 11,410,967,271,740,214 - Step 5: Solve for x
x = 11,410,967,271,740,214/120,714,068.18 - Step 6: Final answer
x = 94,528,893.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.