Finding the Fourth Proportional to 112,331,537.60, 168,497,306.40 and 93,183,915.20
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Solution
The fourth proportional to 112,331,537.60, 168,497,306.40 and 93,183,915.20 is: 139,775,872.80
Step by Step Solution
- Step 1: Write the proportion equation
112,331,537.60 : 168,497,306.40 = 93,183,915.20 : x - Step 2: Convert to fraction form
112,331,537.60/168,497,306.40 = 93,183,915.20/x - Step 3: Cross multiply
112,331,537.60x = 168,497,306.40 × 93,183,915.20 - Step 4: Simplify right side
112,331,537.60x = 15,701,238,711,006,018 - Step 5: Solve for x
x = 15,701,238,711,006,018/112,331,537.60 - Step 6: Final answer
x = 139,775,872.80
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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.