Finding the Fourth Proportional to 68,302,638.12, 102,461,132.52 and 22,248,096.12
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Solution
The fourth proportional to 68,302,638.12, 102,461,132.52 and 22,248,096.12 is: 33,374,481.39
Step by Step Solution
- Step 1: Write the proportion equation
68,302,638.12 : 102,461,132.52 = 22,248,096.12 : x - Step 2: Convert to fraction form
68,302,638.12/102,461,132.52 = 22,248,096.12/x - Step 3: Cross multiply
68,302,638.12x = 102,461,132.52 × 22,248,096.12 - Step 4: Simplify right side
68,302,638.12x = 2,279,565,124,869,018 - Step 5: Solve for x
x = 2,279,565,124,869,018/68,302,638.12 - Step 6: Final answer
x = 33,374,481.39
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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.