Finding the Fourth Proportional to 68,103,045.48, 93,984,201.84 and 37,165,211.32
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Solution
The fourth proportional to 68,103,045.48, 93,984,201.84 and 37,165,211.32 is: 51,289,082.56
Step by Step Solution
- Step 1: Write the proportion equation
68,103,045.48 : 93,984,201.84 = 37,165,211.32 : x - Step 2: Convert to fraction form
68,103,045.48/93,984,201.84 = 37,165,211.32/x - Step 3: Cross multiply
68,103,045.48x = 93,984,201.84 × 37,165,211.32 - Step 4: Simplify right side
68,103,045.48x = 3,492,942,722,125,133 - Step 5: Solve for x
x = 3,492,942,722,125,133/68,103,045.48 - Step 6: Final answer
x = 51,289,082.56
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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.